Mine is Lolo from The Adventures of Lolo, a series of NES puzzle games that sorely need an update on DS or something! Anyone ever play the games? He only rarely makes an appearance (as a villain I think?) on Kirby related things now.
He isn’t related to F1 in any way I think he just makes an awesome avatar, though funnily enough the one place I most use that has an avatar is Steam and on there I’ve still got the Hyperchicken from Futurama.