Of those series, a few that have stood out include SpongeBob SquarePants, Jimmy Neutron: Boy Genius, Invader Zim and Avatar: The Last Airbender.
A space invader!
"When you eat something you are intolerant to, your immune system thinks it's a foreign invader and reacts by triggering inflammation and the production of stress hormones.
The body recognizes it as a foreign invader and sends histamines in to counterattack.
So, in response, your body's immune system produces antibodies to fight the invader, which results in the release of histamine (the compound that makes things itch and swell).
He continued to be cast in little-known movies, although he did presciently play an alien invader in a cult serial called "Zombies of the Stratosphere," and in 1961 he had a minor role on an episode of "The Twilight Zone.