Unlike other robot versions of characters (Excluding TWOW Bot) Mechanical Pencil's arms are Normal other than the Robot Flower-like arms
Robot Cake is a character recommended by WakelessLon that appeared in This Episode Is About Basketball. He is a made out of brown, white, and pink metal, to make it look like Cake. He has white square eyes with pink rectangles, resembling a blush. He also has grey poles, resembling his legs.
Robot Firey is a character recommended by DonkeyKong381 that appeared in Insectophobe's Nightmare 2, and was eaten by bugs. It is a robot version of Firey.
Robot Flower was the joint-first robotic version of a character to exist. She is faceless, with square metal petals and has a metal thin stick figure body.
Robot Four is a character recommended by Cody S. that appeared in This Episode Is About Basketball. He is a piece of blue metal shaped like a four. He has white rhombuses on his face is meant to be his eyes and mouth. His eyes and mouth glow red when angered.
Robot Loser is a character recommended by WakelessLon that appeared in Enter the Exit. It is a robotic version of Loser. Like other robotic recommended characters, they have Roboty's facial features and Robot Flower's limbs and panels.
Robot Rocky is a character recommended by PetramiShowALT that appeared in Bowling, Now with Explosions!. It, along with Robot Flower, was the first robot version of a character to appear. It is a robot version of Rocky, manifesting as a basic grey oblong.
Robot Tennis Ball is a recommended character that appeared in Return of the Rocket Ship. It was recommended by Tommy p. and is a robot version of Tennis Ball.
Robot Tree is a character recommended by Leo Y. that appeared in Today's Very Special Episode. He has the same build as Robot Flower, except with a thicker body, and a green quadruple square head. His face is the same as Roboty's, and the leaves are screws. He also has a metal pole attached to his arm, resembling a branch.
Robot Woody is a recommended character in Return of the Rocket Ship. It first appeared in the first batch of recommended characters. It was watching the elimination take place, while having Check-It Eyebrows. Its second appearance was when Fanny was launched over to iance by Robot Flower. It was recommended by WakelessLon.
TWOW Bot is a character recommended by meduza3 that appeared in Lick Your Way to Freedom. It is a Book that is red with Roboty's face. It is legless. The character resembles a Roboty-like TWOW Contestant without legs. It might be inspired by the Discord bot, TWOWBot.