Pest has a blocky build, mainly having the appearance of a 2011 Roblox Guest. All of his body parts are black with his head having a black shadow on top. On the front of his upper body is the 2006-2009 Roblox logo in Japanese Katakana and on the back of his torso are the words "make a free account to change how you look!" also in Japanese. He also wears the ROBLOX 'R' Baseball Cap and has 2 mandibles on the sides of his mouth, and two palps on the sides of his head. He has red eyes.