Monchi

Monchi is the Mitchells' plus wobbly-eyed dog.

Throughout The Mitchells vs. The Machines
Monchi was going to join the family road trip but hen robots come down and ask them to step in the gren octagon containment shell, Monchi after most of the people were forced in he goes into the green octagon containment shell and flew away but Linda and Aaron were able to pull him down.

Physical appearance
Monchi appears to be a pug with peach skin and a brown nose.

Trivia

 * Monchi is not an actual member of the real Mitchell family seen at the end of the movie. He is actually the movie replacement of the baby also seen in the photograph.
 * Monchi has trouble looking straight as seen at the beginning of the movie.
 * The robots can't tell if Monchi is a pig, loaf of bread, or a dog