Interrobang Pie, also known as InterrobangPie, I-Pie or ‽π, is a semi-popular brony musician from England. He has a particular taste for crossdressing Pipsqueak.
The music Interrobang Pie produces is almost exclusively chiptunes, which he makes using FamiTracker. He has been a part of the music community since Remix War II, in early July 2011. His debut brony track was 'Wily Invades Equestria', which has since grown into it's own mini-series.
His music is showcased primarily on his Youtube channel, which can be found here . His (NSFW) Tumblr can be found here.