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 (ロブロックス, Roburokkusu) and on the back of his torso are the words "make a free account to change how you look!" also in Japanese. (見た目を変える ためにフリーのアカウントを 作りましょう! ) The word "guest" (ゲスト, Gesuto) in red is vertically placed on his left arm.