Peter Cotton, a scientist that works on rabbits and infertility, learns that the military wishes to use his work to create superhuman soldiers. Cotton is bitten by an experimental mutant rab... Read allPeter Cotton, a scientist that works on rabbits and infertility, learns that the military wishes to use his work to create superhuman soldiers. Cotton is bitten by an experimental mutant rabbit and changes into the evil Rottentail.Peter Cotton, a scientist that works on rabbits and infertility, learns that the military wishes to use his work to create superhuman soldiers. Cotton is bitten by an experimental mutant rabbit and changes into the evil Rottentail.