He's voiced by Daran Norris, the same person who voices Francisco, Bad Dog, The Chameleon, and Jack Rabbit. Daran Norris also previously worked with Butch Hartman on The Fairly OddParents (portraying Mr. Turner, Cosmo and Jorgen von Strangle) and Danny Phantom (portraying Bullet, Walker's "right-hand man").
In Cruisin' for a Bruisin', the Chief has long blonde hair that he claims is always tucked close to his scalp, but his eyebrows are black, implying he dyes his hair.
In Thunder Dog, the Chief is afraid of store robberies.
The Chief seems to have a interior designer Julian who apparently decorated the Petropolis prison and T.U.F.F. HQ.
The Chief believes in ghost rain.
During his years of active duty, the Chief seemed to live in a small apartment.
He seems to be significantly wealthy, considering that he lives in a very large house (possibly bordering into a mansion), has a high-technology security system, and is according to Fleaple Magazine (a parody of People magazine), one of the 10 Most Eligible Hostages in Petropolis. (all seen in Mind Trap)
The Chief has a hobby of baking, shown throughout the episodes, but according to Keswick, he puts mustard in cherry-pie and isn't a good cook.
Fans of the show argue about if The Chief or Keswick is the third-most important character.
In the episode Diary of a Mad Cat it is revealed that the Chief was once a school outcast. The same thing was admitted by the Chief of C.O.N.T.R.O.L. from the counterpart TV Show Get Smart in the episode "All In The Mind".
In Puppy Unplugged, the Chief seems to be a fan of the salad spinners, as he uses them like carousel rides.
He cried in his office when Dudley didn't pick him as the helper duckling in Lucky Duck.