Haunting of Mort through Murray (Monkey Island series)
First off, Murray is a fan favorite. Guybrush blows up a boat full of evil skeletons and “Murray's head is the only thing left. Murray was only supposed to be in one scene in the game, but the producers liked him so much that they kept finding ways to incorporate him into the game later on.
Murray ends up in the swamp.
Murray returns for the fourth game.
Murray shows up in the new game Tales of Monkey Island.