Young Johnny is gung-ho and full of courage. Johnny's brainiac twin sisters, Susan and Mary, use Johnny as their guinea pig for their outrageous scientific experiments. If they can dream it up, Johnny will do it; as long as his genetically engineered super dog, Dukey, can come along.
James Arnold Taylor
Johnny Test (voice)
Maryke Hendrikse
Susan Test (voice)
Ashleigh Ball
Mary Test (voice)
Lee Tockar
The General / Bling-Bling Boy (voice)
Ian James Corlett
Hugh Test (voice)
Trevor Devall
Dukey (voice)
Kathleen Barr
Lila Test (voice)
Scott McNeil
Mr. White / Bumper (voice)
Bill Mondy
Mr. Black (voice)
26 eps
Season 1
2005
26 eps
Season 2
2006
26 eps
Season 3
2007
52 eps
Season 4
2009
52 eps
Season 5
2011
52 eps
Season 6
2013
Status
Ended
Original Language
EN
Network
The WB, Cartoon Network, The CW, Teletoon, Boomerang
Created By
Scott Fellows
Production
Cookie Jar Entertainment, DHX Media, Warner Bros. Animation, Teletoon, Collideascope Digital Productions, Coliseum
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