Ralida

Ralida is the Het ship between Wreck-It Ralph and Merida from the Disney fandom.

Canon
As Ralph and Merida are from different series, they have never met in canon. As well as the fact that Merida is also a Pixar character.

While the Disney crossover film that serves as the Wreck-It Ralph squeal, Ralph Breaks the Internet, Ralph encounters the online version of Merida that is known as a "netizen", an inhabitant of the digital made world that lies within the real-life internet. They meet after she and the other netizen Disney Princesses worked together to save his life, as they are all friends with Vanellope.

Similarities and comparisons

 * Both have fiery tempers.

Fanon
While the exact origins of the ship is a mystery, it could simply be due to fans who enjoy doing Disney crossover ships. In the Pixar film Brave, Merida had showed an interest in strong, buff men.