I would either pick Navi in order to get her to finally shut up (HEY LISTEN! HEY LISTEN! HEY LISTEN! can make a normal person go insane), Slippy in order to toss him into a concrete mixer so as to demonstrate how to do a barrel roll, Peach so I can slap her in the face and tell her to get some damn security so she won't keep getting kidnapped, or the Prince of Persia/Faith so I could learn parkour.