SonKai

SonKai is the slash ship between Sonic and Kai from the LEGO Dimensions fandom.

LEGO Dimensions
Sonic and Kai can both cross into each others dimensions if they want. They can work together if the player chooses to pick them in their gameplay. They and their friends can work together to stop the main antagonist, Lord Vortech, and their own arch-nemesises: Master Chen and Doctor Eggman.

Kai and Sonic share commonalities: both of can be arrogant and mean at times. They both can use spinning type attacks: Spinjitzu and Spin Dash. They both have super forms: Super Sonic and Kai's true potential.

Fanon
Fans of think Sonic and Kai have things in common. The pair has little popularity.

Fandom
FAN FICTION
 * KaixSonic on AO3

Trivia

 * SonKai is the first LEGO Dimension ship created.