- Eric: an octopus who grows up as the story progresses.
- Kraken: Eric's father, the king of the Atlantic.
- Wendy: a flapjack octopus, Eric's best friend and soon wife.
- Stan: a seahorse and one of Eric's best friends.
- Kyle: a butterflyfish and one of Eric's best friends.
Community content is available under CC-BY-SA unless otherwise noted.