Blinky 

Blinky the three-eyed fish

GENETICS

A recurring icon in the animated sitcom, The Simpsons, which first appeared on the episode entitled Two Cars in Every Garage and Three Eyes on Every Fish, Blinky is a hypothetical mutation caused by radioactive waste discharged from Mr Burns’ nuclear power plant in Springfield.

Despite the cautionary overtone of radiation-induced mutations in the environment, no Blinkys have been documented. 

Synonym Blinky the three-eyed fish