VegeBul

Vegeta x Bulma is the het ship between Vegeta and Bulma in the Dragon Ball fandom.

Canon
After a fight with Yamcha, Bulma rebounds to Vegeta shortly after they had returned from Namek. He gets Bulma pregnant and she gave birth their first and only son, Trunks. At first Vegeta seems to care little about they but over time he comes to care for them.

During Dragon Ball Super Bulma gave birth their second and only daughter, Bra, who appears at the end of Dragon Ball Z, and in Dragon Ball GT.

Fanon
Is a fairly popular ship due to being canon.