Lady Rainicorn. Lady Rainicorn is Jakes girlfriend and later wife from Adventure Time. Of course from Adventure time.

She only speaks Korean.
Lady Rainicorn is the companion pet of the Princess of Candyland Princess Bubblegum. She has a long body and she can fly. Httpsbitly2QuxyZ3Check it out its our brand new algebraic Adventure Time official YouTube channel. She speaks Rainicornian Korean and is in a relationship with Jake.