Banjo and Kazooie are playable characters for Smash Bros. Clash. They are owned by the game company of Rare, which has had a relationship with Nintendo before, in the form of N64.
Neutral: Pack Whack
Up: Flying Attack
Down: Beak Buster
Final Smash: Wonderwing (he becomes invincible for 25 seconds, any enemies that touch you take damage.)
Second Final Smash: Raining Golden jigsaw puzzle.