it's probably a furuwatchi. you probably have a v2 tamagotchi, right???!!! you should, cause if it's a v1 tama, then you shouldn't have that charac. :furawatchi:
Try visiting these two sites - they are really useful and worth bookmarking:
Bell Sprout's web site (member of TamaTalk & TamaGuide) has a list of all the V1 and V2 characters / names: https://bellsprout.50webs.com
Rivenn's site (he's a TamaTalk member) - it's called Tamadex - and has a V2 growth chart (still under construction) and a list / pictures of all the V2 characters: