The Kerwhizzitor is the host of Kerwhizz, as well as the only live action character. He is played by Jacob Scipio.
Kerwhizzitor has brown eyes and black hair and a ponytail onto his top. His job in the show is to be the quizmaster before overseeing the teams' actions in the race. He often makes puns relating to the raceworld.
His outfit has the Kerwhizz logo as well as each of the individual team icons embroided onto his top.
- In the Hebrew version of Kerwhizz, the Kerwhizzitor is replaced by a host named Ron Quiz (played by Ron Chidon).