Elmyra Duff

Elmyra Duff is seen as a mermaid in an episode "The Weirdest Story Ever Told" from Tiny Toon Adventures. Elmyra is voiced by Cree Summer.

Biography
Elmyra Duff appears as a mermaid in Buster Bunny's nightmares after he was knocked out by a globe. In the nightmare, Buster travels around the world to escape Elmyra, but everywhere he goes there is a version of Elmyra waiting, even underwater where a mermaid Elmyra is hiding in a shell.

Links
Elmyra Duff's page at Tiny Toon Adventures Wiki