Marvin is eaten by the Evil Turtles in "the Nest", but he somehow escaped their stomach and, as Kip said, made a full recovery.
The Amazing World Of Gumball Season 7 Episodes
She is a 66 year old pink rabbit who speaks in a New York accent.
Their mutual affection and incapability of expressing their feelings for one another was a running theme in the series  until "The Shell", where Gumball finally directly reveals his feelings for her and they have their first kiss in the woods.
He seems to have been making fun of Richard Watterson ever since he played a prank on him in high. It is also possible that Richard has a sufficiently sized brain, just he neglects to use it school, as seen in "The.