Mike Wazowski

Mike is a green round monster with one eye. He is best mates with Sully and doesn't like how Sully has become attached to Boo. He soon begins to realize that Boo isn't dangerous. At the end of the film Mike and Sully say there goodbyes and put Boo back into her door. Later on Mike rebuilds Boos door so that Sully can see her again.