
1) Animal superhero 2) Bath time companion 3) Bubble-bath denizen 4) Fictional duck
Found on
https://www.crosswordclues.com/clue/rubberduck

Rubberduck`s alter-ego`s name, `Byrd Rentals,` is a play on actor Burt Reynolds; being Burt Reynolds` Earth-C/26 counterpart, Byrd Rentals` career roughly matched that of Burt Reynolds`, starring in films such as The Longest Yarn (a play on The Longest Yard) and Smoke-Eye and the Panda (a play on Smokey and the Bandit). ==Fictional characte...
Found on
http://en.wikipedia.org/wiki/Rubberduck
No exact match found.