%^^&( is a glitch enemy from the glitch world you can fight in Fazbear Hills by running into a tree stump with a yellow bird on top. This enemy changes colour as it is alike the other enemies from &*_ _ _ TWRE. This enemy, as it changes colour, changes form as well. It transfers from Mechrab/Chillax to Ball Boy.
%^^&( is an enemy found by going into the "&*_ _ _ TWRE" area. It glitches between a Mechrab/Chillax and a Ball Boy with their colors inversed. You have to run into a yellow bird sitting (White in the 3D version) on a tree stump in Choppy's Woods or a gravestone in the Blacktomb yard, then you can encounter it. %^^&( also has the ability to attack with the 4th Wall, so beware of this character. It is recommended that you have powerful characters for this area.
Graveweed - Beartrap - Blacktrap - Bouncepot - Boxbyte - Chillax - Chop 'N Roll - Colossal - Crabapple - Dogfight - Flan - Gearrat - Goldmine - Ball Boy - Rot - Tangle - Metalman - Prototype - Quarry - Redbear - Mechrab - Seaweed - Meringue - Tombstack - Totemole - White Rabbit
Ball Boy - Brow Boy - Party Hat A - Party Hat B - Tangle - Xangle - Prototype - Purplegiest - Redbear - Mini P -Half-Bake - Quad Endo - Mad Endo - Mudpie - Cheesehead - Anchovy - Big Jack - Madjack - Security