FratRat
It was all so perfect the mutant rat's dreams were becoming a new filthy reality, soon everything he ever wished for would be all his!
Rat's Revolution: Rodent Rebirth
#1 of rat's revolution scientist working on virility drug creates mutant rat virus and begins spreading the disease. this story is actually an advanced remake on one i made on cyoc years ago.
Return of the Rat King Chapter 4 "Splinter Finished"
I will also use your mutated dna to breed with our mutant rats. you will be little more than a trained animal.
The Last Stop Staryard
Within minutes, the duo had a trench built all the way from the cockpit to the engine bay, the human and mutant rat working in tandem to remove cables, connectors, and of course, the master computer cores in both the cockpit's command console and the engine
Master Splinter's Forbidden Liaison
Manhattan lay sprawled out in all directions, festooned in glimmers of silvery light and the omnipresent drone of a city that never sleeps. As Master Splinter watches TV in the dimly lit living room of Cody's penthouse, he feels a soft tap on his...
Ratwheels - A TMNT Fanfiction
The redheaded teen supposed this made some sense, since the elder mutant rat was a more powerful combatant, a more keenly-trained ninja, than any of his four pupils.
Reaper: Hades - Chapter 1
As heroic as it would be to jump down there and attack, against six mutant rats and another dozen mutants, he doubted he would pose much of a threat. so he kept himself low and watched.
Learning the Team Spirit (QCP: BJ-Eps02)
It was none other than minos del malign and his evil pet mutant rat, virus. and minos was aiming his newest weapon directly at overcat. barbra wracked her brain for the hero/villain union schedule.
Unleashing the Power (QCP: BJ-Eps01)
"when the chemical reaction began with the mutant rat, the katniptonite, the turpentine, and the final key element... joey's blood... they combined and bathed joey inside and out with a copy of overcat's powers.
Carrots and Curfews (Gerard Prince rewrite, Eps 4)
She shot a grin at the mutant rat with a likewise grin. "certainly, splinter. there's always time for chaos."
Rat Rot: Rancid Reunion
Now she was a captive to a band of sex-crazed mutant rat monsters, and her very life was in danger. she started to speak but was silenced by a pair of wet black lips forcing themselves onto hers as two furry arms wrapped around her.
TMNT - Turtles with secrets
rat such as yourself, cumming to an end was a bit of an understatement as the tail end of his release was about as thick and heavy as the height of leonardo's climax, and the rat just kept this up for a few minutes, firing out pints of cum now with less force