apalmer
Footballguy
I think it's a "Mama Mia" thing -- Meryl Streep's daughter is called Soph. And, yes,Everybody in my circle of friends in college went by "Fatty". Oddly, nobody was fat.
Dated a Sophia a few years back. Seemed half of her old friends called her Sophie, the others Sophia. None Soph, though I imagine her sisters probably do from time to time as siblings sometimes do insane things like that.