There’s a bit of a story here (which i might write someday) however the inspiration was two fold. First, I’ve seen many pics of a fat female Discord AKA Eris, in Fallout gear. So I just had to ask for her.
 
Second, and try and stick with me here, in the pseudo ‘side-quil’ to Fallout Equestria’ Known as Fallout Equestria: Project Horizons, the main character meets a Steel Ranger pony named Paladin Sugar Apple Bombs Stronghoof. His character is based on Major Alex Louis Armstrong from the anime Fullmetal Alchemist Brotherhood.
 
Now in the anime Alex has a much tougher very awesome older sister named General Oliver (pronounce Oh-live-e-a) Mira Armstrong Who commands the Great Northern Wall of Brigs.
 
So a friend and I created her Fallout Pony counterpart. Star paladin Cherry Bombs Stronghoof. Leader of the undefeated northern base of Stalliongrad.
 
So I asked Calorie, ‘could you make her huge?’ And here we are.
 
Eris has decided to give the unstoppable mare a good bloating with her magic. ^__