*Tom Warburton tried to use him as the Reaper for Billy & Mandy's Big Boogey Adventure, but was later chosen for Numbuh 3, because she's cute..and evil!
This was revealed on secret commentary for Billy & Mandy's Big Boogey Adventure, since he was the next best choice for Sector V.
*He is the pilot of Sector V's 2 x 4 Technology.
*He keeps believing that he married Numbuh 3 in the future, showing that he may have a crush on Kuki after all, since they raised Bradley.
*Joaquin is his hamster.