AdvenBerry

AdvenBerry is the het ship between Adventurer Cookie and Blackberry Cookie from the Cookie Run fandom.

Cookie Run Games
Adventurer Cookie is Blackberry Cookie's employer, though he is often seen avoiding her due to her duties in stifling his recklessness. Blackberry Cookie is Adventurer Cookie's employee, personal maid, and retainer. She is often seen seeking out Adventurer Cookie so as to keep him out of trouble.

At the Mansion
In Cookie Run Kingdom, they have a bond story called "At the Mansion" which explores their dynamic. It starts saying that Blackberry Cookie always manages to drag him back home when he is in his expeditions. As a child, he rummaged through the journal of his grandfather, Archaeologist Cookie. After reading the journal, Adventurer Cookie discovered a secret passageway in the mansion. With his trusty rope and kiddy lamp, he managed to find his way to a secret attic, making him trapped inside. Some time passed, and soon, nothing remained of the ration of Bear Jellies he packed for his adventure. Still, the situation did not bring down his spirits since he believed and had faith that BlackBerry Cookie would find him.

Blackberry Cookie, ever vigilant in her duties to keep the mansion pristine, discovered a set of muddy footprints. There was no doubt that they belonged to Adventurer Cookie. Thus, she followed the footprints. Blackberry Cookie was always cleaning up after her employer. This time was no different. She cracked the same codes that Adventurer Cookie had solved. She leapt over the same traps that he had struggled past. Arriving at the secret attic, she peered inside and found him.

“Adventurer Cookie. You are late for dinner. Please come with me,” she stated. Hand in hand, the two made their way out in silence. If Blackberry Cookie was either nervous or relieved in her search for Adventurer Cookie, she made no sign of it. That was the only day ever Blackberry Cookie prepared supper for the mansion. Almost fifteen minutes late at that.

Seaside Market Story
They also play a role in the Seaside Market Story. The story starts when Adventurer Cookie is hiding from Blackberry, until he finds someone drowning in the sands. He finds Trader Touc who is thankful for his help and introduces himself as a merchant that lost his ship and left his homeland in hopes to make a fortune.

Some time later, Blackberry Cookie finds them. Before she can apprehend Adventurer Cookie once again, he comments that the bird that they found needed help. Blackberry Cookie comments that her master takes such endeavors ever so seriously, and that is kind of him to help everyone in need. After helping the merchant, they introduce the Kingdom where they live to them. The merchant says that they will open a open trade post thanks to their kindness, and that this is also a opportunity to make some money. Blackberry Cookie comments that The cookies will be pleased to know about the establishment of naval trade routes.

Cookie Run Ovenbreak
In Ovenbreak, Spooky Spider Mansion is a Breakout Episode released on August 27th, 2020. It is a haunted house themed episode that focus on Adventurer Cookie and BlackBerry Cookie, alongside Truffle Cookie and Onion Cookie.

Blackberry Cookie is doing laundry in Adventurer Cookie's Mansion, and decides to clean the attic. She finds a doll which she has not seen in a long while, but a gust of wind blows it into the neighbor's yard. Adventurer Cookie announces he is back from his adventure, and has brought friends along for a slumber party. Blackberry Cookie decides to pick the doll up when she is done taking care of the guests, and a mysterious Cookie picks the doll up and brings it inside.

After a pillow fight, Blackberry Cookie tells her employer she is going out to Spider Mansion to retrieve the doll. Adventurer Cookie is worried, and explains to his friends that the owner of the Spider Mansion, Truffle Cookie, allegedly stays on the porch waiting for Cookies to visit, before tying them up in spider webs and keeping them captive. He says he was seen by Truffle Cookie in her garden as a child and ran away. Adventurer Cookie comes along with Blackberry to protect her, and the rest of the group joins him. The group enters a side room and all members look for the doll- except Vampire Cookie, who lays on the bed. After checking the whole room, they hear a crying sound, which Popcorn Cookie attributes to a ghost. On their way out of the room to search for the sound, Adventurer Cookie checks under the bed, and finds a toy covered in cobwebs, though not the doll they are looking for.

They find a door where the crying is coming from, and before they enter, Cheerleader Cookie notices strawberry jam on the stairs to the basement, and Sandwich Cookie smells something rotten. Truffle Cookie appears suddenly and asks if they have found the doll yet, startling Adventurer Cookie. She tells them not to check the basement, as the doll wouldn't be down there. Sandwich Cookie is suspicious, but Vampire Cookie doesn't want to walk down the stairs anyway, so he checks another room.

In the next room, Fairy Cookie notices a moving portrait of a bear, and Popcorn Cookie starts talking about how it reminds her of the ghosts of horror movies, scaring Cheerleader Cookie. Adventurer Cookie is saying that ghosts don't exist when the lights flicker, the crying starts again, and furniture starts to move on its own. Drawers open and close, the clocks move backwards, and objects fly around the room. The closet doors open on their own, and all the Cookies look inside to see who is responsible. Onion Cookie is present in the closet, and can not stop crying. Blackberry Cookie recognizes her, but Adventurer Cookie does not. Onion Cookie is not sure how she came to be in the Manor, and Sandwich Cookie hypothesizes it may be Truffle Cookie's doing. Adventurer Cookie brings Onion Cookie into the group.

The doll has still not been found, and only the basement and parlor have not been searched. Cheerleader Cookie leads the way to the parlor, through the dark hallways. When they arrive at the parlor, a head count reveals that Vampire Cookie has gone missing. Sandwich again believes Truffle Cookie is responsible for this, but Blackberry Cookie doubts it. The parlor has many dolls, covered in spider webs, which Fairy Cookie gets stuck in. Sandwich Cookie helps her out, as the others finally find the lost doll on a moving rocking chair. Onion Cookie sees a gargoyle move outside and starts to panic, and the furniture once again becomes mobile, and a chandelier threatens to fall.

Everyone is unharmed, and Blackberry Cookie tries to calm down the crying Cookie, giving Onion her doll. Adventurer realizes the doll did not belong to his maid, but looks familiar. He wonders if Onion Cookie lives nearby, and if they played together as children. The apparent ghost has seemingly calmed down, but the fallen chandelier blocks the path to the door. Adventurer Cookie ties his rope to where the chandelier was hanging, and swings his comrades over, but the door won't open. Thinking he may be trapped forever, he apologizes to Blackberry Cookie for being so reckless, and promises to give her a gift if they return home- and she responds by showing him that the door he couldn't open was simply a sliding door.

The group reluctantly heads down to the basement, where a large, fancy dining table is laid out and covered in webs, and a Cookie is in the shadows at the far end of the table.

Vampire Cookie is at the end of the table, fast asleep. Truffle Cookie finds the group, and invites them to dine, but they prepare to run when they see the spiders behind her. Sandwich Cookie sees that Vampire Cookie is not afraid, and happily drinking grape juice. He explains that he wasn't taken captive, just was tired of walking and found a comfortable bed to sleep in. Truffle Cookie found him and invited him to the basement, which is the actual parlor. The room the group thought was the parlor was Truffle Cookie's antiques collection, and the parlor is located in the basement to prepare surprise parties more easily. Spiders bring plates and tea to the table, and Truffle Cookie explains the mysterious scent was her favorite scented candle, and that she put Onion Cookie's doll in the rocking chair by the window to dry it.

After the feast, the Cookies all thank Truffle Cookie on their way out of the manor. Adventurer Cookie wishes to bring Onion Cookie to her home, but he does not know where she lives, and neither does she or Truffle Cookie. Blackberry Cookie offers to escort her home, but she takes up Adventurer Cookie's invite to play at his house. Blackberry Cookie reminds her boss of the present he promised, and he tells her it is a new candle holder from his latest adventure. With a small smile, she tells him that his safe return is a better gift.

Quotes
"Urgh... He was here just a moment ago! (Tension)"

- Blackberry Cookie's quote about Adventurer Cookie

"Don't tell Blackberry you saw me...!"

- Adventurer Cookie's relationship chart quote about Blackberry Cookie

"Blackberry Cookie... Er... I'm sorry for running off on so many adventures."

- Adventurer Cookie

"We might be trapped here forever. ... If we can get back home, there's something I want to give you."

- Adventurer Cookie

Fanon
This is one of the oldest ships in the Cookie run community, since Blackberry and Adventurer Cookie have always been showcased together. The ship also gained some attention because of their relationship with Onion Cookie. It's a popular headcanon that Onion Cookie is their adopted daugther, since Blackberry Cookie takes care of her and Adventurer Cookie seems to be tied to Onion Cookie in some way; although this relation is left vague with Adventurer Cookie only stating in OvenBreak that Onion Cookie "looks familiar".

Fans of this ship seem to appreciate their contrast in personality and looks, while other people who don't see them as romantic seem to dislike the employer x employee dynamic. Still, the majority of the community agrees that they make a great pair together.

Fandom
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Trivia

 * Blackberry Cookie is perhaps considerably older than Adventurer Cookie, as she was already employed at Adventurer Cookie's home in "At the Mansion" while he was still only a child. However, an episode of OvenBreak's "Bake My Day "seems to contradict this.
 * In a "Bake My Day" episode, it is possible to see a younger version of Blackberry Cookie and Adventurer Cookie, alongside with some onions dolls who are theorized to be Onion Cookie herself or just a reference to her. This proves that Adventurer Cookie and Blackberry Cookie knew each other ever since they were kids.
 * In Ovenbreak, they have a cheer squad called "Have You Seen This Cookie?"
 * The two have been featured together in some comics commissioned by DEVSISTERS, and in one of the stories, they married each other, although those stories are not considered canon.
 * They were showcased together in some artwork for an official Cookie Run love test for Valentines Day. There was also an unsed artwork for the test (the infobox image for this article) with both of them.
 * Adventurer Cookie (or someone who resembles him) can be seen in a portrait in Blackberry's Cookie decoration in 'Cookie Run: Kingdom' alongside with Onion Cookie.