|~ Jet Fusions's catchphrase|
He is voiced by Christian Slater.
Jet Fusion first appears when Jimmy, Carl and Sheen goes to a movie featuring no other than Jet Fusion. Later, Jimmy is recruted by a secret agency to become a spy. The boy genius is giving the task of finding their top Agent Jet Fusion himself. Later, it is revealed he was captured by Professor Calamitous in his lair on top Mount Everest who plans to flood the earth by melting all ice and snow on Mount Everest. Eventually. Jimmy is caricatured himself and are both found in a cage together. Jimmy is excited that he has met his favorite spy.
Later he reappears in My Big Fat Spy Wedding where its revealed that he was marrying Villainous Beautiful Gorgeous.