The Tick (1994)

S2E2 Alone Together

The Tick embarks on a space mission to obliterate the letter "C" from the Moon, a remnant of Chairface's failed attempt to inscribe his name. After successfully blowing up the letter, he is propelled through the cosmos and encounters a colossal alien named Omnipotus. The Tick forms a friendship with Omnipotus and takes on the role of a janitor on his vast body. However, trouble brews as Omnipotus reveals his intention to consume Earth as they approach it, putting the Tick in a precarious situation.