Ottis

Otis being a munchkin cat mix tabaxi, who grew up to be an investigator. One day on the job, when he was close to discovering the murder of the case. He ended getting killed by said murderer. He was bummed out that he died. Wishing that was able to come back and catch the guy. So someone offered him just that and it's how he got his pact. Coming back to the work as a warlock and catching the one who killed him. SItll working as his investigator job.