Randall Boggs

Randall is an antagonist from Monstropolis in Kingdom Hearts III. He originated in the Disney/Pixar film 

He desires to get revenge on Sulley and Mike Wazowski for getting him fired from Monsters, Inc. and subsequently banished into a door.

Kingdom Hearts III
Managing to escape "being turned into a wallet", Randall seethed with revenge, drawing the attention of Vanitas of the Organization. After explaining about how his world ran on the screams of children, Randall was offered assistance by Vanitas to get back for revenge against the duo who banished him; the dark being repaired the door by merging it with a dark corridor.

Appearance
Randall is a purple lizard-like monster with green eyes. He has two pairs of arms and two pairs of legs.

Personality
Randall is short-tempered and competitive.

Origin
Randall Boggs first appeared as an antagonist in the 2001 film Monsters, Inc., voiced by Steve Buscemi. He is a rival scarer at Monsters, Inc. with Sulley, but finds himself scoring less. Randall has constructed a "Scream Extractor", and tries to abduct a human child (Boo) as a conspiracy with the company's leader, Henry J. Waternoose, in order to gain company leadership.