Echo the Dolphin is a character that appears in the Sonic the Hedgehog comic series and its spin-offs published by Archie Comics. She is a mobian dolphin and a lieutenant in the Meropis City Guard.
Sonic and the team meets Marlin, an overprotective clownfish and a regal blue tang Dory as they rescue Nemo. During the mission, Marlin started to accept that Nemo can take care of himself.
