"We are ♥♥♥♥♥♥♥ out of our shells"

It was many moons ago, 18 years worth.
Below the city, there were four regular turtles.
But then a horny dude, who worked at the nuclear power plant
His radioActive sperm fell into the sewer,
and onto the turtles, over time the turtles grew,
'Especially in the lower shell area!"

TEN INCH MUTANT NINJA TURTLES