Out of all the ninja, Vania took the most interest in Cole. Although she doesn't have a love interest with the Earth Ninja, she spent the most time with Cole and he earned Vania's respect.

Who is Cole's love interest Ninjago?

Nya (formerly love interest)

Cole and Nya in Season 3 Nya and Cole are good friends throughout the series, but in Season 3, Nya developed a crush on Cole, which caused him a rivalry between him and Jay, due to Jay finding out that Cole was Nya's perfect match.

Who is Kai's girlfriend Ninjago?

In the end, Skylor becomes Kai's girlfriend and they share a romantic embrace.