Detective Sparkowsky

Detective Sparkowsky of the Zootropolis police department a hound dog with PTSD from the "Great cat wars".
He self medicates with alcohol and is notorious for solving problems with shady methods despite this and his rugged shell he is well respected for his good nose on tricky cases. Which is why he gets the call when a battered body gets found and the only witness has almost gone mad from fear and is incessantly muttering about "a monster lurking in the dark with glowing eyes".