In K-ON!, Ritsu found a doll (belonging to Mio) of an old man who's almost bald with a huge nose.
If I'm not mistaken, it was shown when they were cleaning their club room.
(season 2, episode 2, 4:54)
Who is that old man doll? Was that doll based from a real person or from another anime or just a random creation from K-ON! itself?