Octi is a purple, inflatable octopus in Club Penguin Rewritten that made his first appearance at the Water Party 2017 and later appeared in the Christmas Party 2017, Summer Luau 2019, and Submarine Party.
- During the Water Party 2017, Octi appeared on the second week into the party at the Dojo, which was decorated for a pool party at the time.
- He appears in the book Paint by Letters: Lime Green Dojo Clean for one of the choices.
- He appears in Card-Jitsu as a regular water card and power water card.
- At the Christmas Party 2017, he appeared at the Ninja Hideout within the second week of the party. He also wore a santa hat and carried a candy cane.
- At the Summer Luau 2019 and the Water Party 2020, he appeared in the pool at the Ski Village.
- At the Submarine Party, he appeared at the Plaza, clinging onto the side of the Pet Shop.