Did you know Hanna Barbera made Kellogg's Corn Flakes commercials? A kid summons Cornelius Rooster for adventures, and grows giant when he eats them.

This one reuses some Jonny Quest animation. Another reuses some Sinbad Jr. stuff. Also Jungle Lion/Dinosaur adventures.

#hannabarbera #cornflakes #jonnyquest #corneliusrooster #kelloggs #cartoons #sinbadjr