Terrence

Terrence is Mac's jerky older brother in Fosters Home For Imaginary Friends and also a member of the Organization.

Appearence in Ultima
Terrence has shown up a cuple times in The Crossing of Universes usually a part of a large group. Though he is not the most experienced, Terrence will jump into a fight whenever he feels it is necessary.

In the upcoming story, Fosters Fiasco, Terrence will have set up an army of bullies who are constantly thwarted by imaginary friends when trying to torment younger kids and have them go to war with Fosters with the help of their own imaginary friends, or as they call them, Extremasaurus'.