Toxic is a bio-genetically engineered anthropomorphic maned wolf. His saliva contains harmful bacteria much like what is found in Komodo Dragons. One bite can kill a fully grown man in a max. of 2 hours.
His saliva contains dangerously high amounts of harmful bacteria, and works much like a Komodo Dragons. After the saliva gets into a bite, the bacteria spreads, eventually killing the victim, usually within 1-2 hours at most.