Stanley (Paper Mario)
From the Super Mario Wiki
Stanley is a Boo that lives in Gusty Gulch in Paper Mario. When Mario and Lady Bow arrive in Gusty Gulch, Stanley notifies them that Tubba Blubba had eaten a Boo named Herbert. Stanley himself is eaten shortly thereafter by the beast. He is later released from Tubba Blubba's stomach after his defeat at the hands of Mario.