Taz (Jim Cummings) is the central character of the series and appears in every episode.

The plots of most of the episodes are based upon the relationships various characters have with Taz. Taz is cast as a not-to-bright teenager in most episodes and is less ferocious than his original incarnation. He is sometimes portrayed as a vicious predator, consuming anything with an everlasting appetite scaring much of the native wildlife. Most of the time, Taz speaks in grunts, growls, and rasps, which other characters seem to understand and is able to spin like a tornado and break through many objects. He also has a calm and caring side to him seen when he is around his friends and family. Taz works as a bellhop at the Hotel Tazmania. He likes food and Christmas a lot, but has a great dislike of water often voicing his displeasure with "Taz hate water".

Taz, being a teenager, shares his house with his family - his dad Hugh, his mum Jean. He also has two siblings. His little sister Molly and his little brother Jake.

Taz is employed during the series working for Bushwhacker Bob and his Mum at Hotel Tazmania, which they own.

Created by Robert McKimson

Voiced by Mel Blanc (1954–1983) Jeff Bergman (1990) Noel Blanc (1990) Maurice LaMarche (1990) Jim Cummings (1991–present) Greg Burson (1992) Dee Bradley Baker (1996) Ian James Corlett (2001–2006) Brendan Fraser (2003) Joe Alaskey (2011) Utada Hikaru Jada Stevens Alyssa Milano