the team. In the present day, Ook Ook's body is encased inside a block of ice for unknown reasons. O.S.I. The Office of Secret Intelligence is a branch of the United States government that handles supervillain activity, both combatting groups of supervillains or assisting super scientists and superheroes with their Guild of Calamitous Intent-assigned archenemies. A pastiche of G.I. Joe and S.H.I.E.L.D., in the 1980s they fought against the supervillain organization S.P.H.I.N.X. in the Pyramid Wars, during which the original S.P.H.I.N.X. was defeated. The O.S.I. operates from a hovering base based on the helicarrier and seems to answer to a division known as the Misters who are the go-between with the "Secret President." General Timothy Treister (voiced by Toby Huss): Commander of the O.S.I., he's a tough, no-nonsense, highly energetic military man. He is first mentioned in "Mid-Life Chrysalis", but first appears in person in "The Family That Slays Together, Stays Together"; after Brock Samson goes on the run from the hit put on him by Molotov Cocktease, Treister leads the effort to find and debrief Samson. He later shows up to help coordinate between the O.S.I., S.P.H.I.N.X., the Guild of Calamitous Intent, the Revenge Society, and the Peril Partnership during Zeus and Zero's rampage across the world's sidekicks. Finally, in "Operation P.R.O.M.", Treister reveals he is dying of testicular cancer, but has been fooled by Mister Doe and Mister Cardholder into thinking he has been turned into a Hulk after experimental gamma ray chemotherapy. After finally meeting with Col. Gathers, revealing he has discovered Doe and Cardholder are Guild double agents, he entrusts O.S.I. back to Gathers and shoots himself off into space in order to have his cancer cured by "alien technology". Treister reappears in "All this and Gargantua-2", where his frozen body is taken aboard the titular ship and upon being awoken believes that Billy and JJ are aliens and goes on a rampage after misinterpreting them as being hostile. He and JJ sacrifice themselves to stop Gargantua-2's self-destruction from hurting anyone, during which it is revealed that, as a result of the solar radiation his body was subjected to while he was in space, Treister actually is a Hulk-like creature. Mister Doe and Mister Cardholder (voiced by Doc Hammer and Christopher McCulloch, respectively): Two Mister-level agents of O.S.I. They first appear in "The Lepidopterists" to assist Dr. Jonas Venture Jr. in his fight against his newly