My idea for the castlist.
 
1  
Bonnie - Twilight Sparkle  
Chica - Fluttershy  
Foxy - Rainbow Dash  
Freddy - Applejack  
Golden Freddy - (See Fredbear)  
Mike Schmidt - Derpy Hooves
 
2  
Toy Bonnie - Trixie Lulamoon  
Toy Chica - Lightning Dust  
Toy Freddy - Pinkie Pie  
Balloon Boy - Spike  
The Puppet - Rarity  
The Mangle - Discord  
Jeremy Fitzgerald - Lyra Heartstrings
 
3  
Springtrap - Sunset Shimmer  
Purple Guy - Starlight Glimmer  
Security Guy - Sweetie Drops/Bonbon
 
4  
Fredbear - Big Macintosh(He could be the original face of the pizzeria before an unfortunate filly had her head put into his mouth and was bitten. Besides, this series needs another guy aside from Spike and Discord)  
The Child - Dinky Hooves.

wut

So Sunset is Springtrap?
 
That…is oddly cool.

Never maid this