"...as for the Why: beyond the obvious financial motivation, it's exceedingly simple... because I can."

It's one thing to create/throw already-established characters in a story of some kind. It's another thing to develop those characters, regardless of the situation they're in.

A crazy motherfucker for sure.

Derpy, Pinkie Pie, Sweetie Belle, Chrysalis. Myself, summed up in four MLP characters. I'm a deeply flawed individual, but if you can get past that, I'm sure we can be the best of friends.