Underdog

In the Capital City Town Hall, a beagle on the police bomb squad sets off a false alarm. Ridiculed and rejected, the beagle leaves in shame. He is abducted off of the street by Cad Lackey, who takes him to Simon Bar Sinister's lab, where Cad works as an assistant. Bitter his proposal for genetic experimentation was declined, Bar Sinister plans to prove the mayor wrong by testing his new serum on the beagle. The beagle escapes and runs amok in the lab, causing a fire and becoming exposed to various chemicals, which modify his DNA and give him superpowers.