© 2026 The Couch Critic
Status
Ended
Release
2005 - 2014
Seasons / Eps
6 / 234
Netflix
Netflix Standard with Ads
Amazon Video
Google Play Movies
Fandango At HomeYoung 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.
13 Cast Members
James Arnold Taylor
Johnny Test (voice)
234 Episodes
Maryke Hendrikse
Susan Test (voice)
234 Episodes
Lee Tockar
The General / Bling-Bling Boy (voice)
234 Episodes
Ian James Corlett
Hugh Test (voice)
234 Episodes
Kathleen Barr
Lila Test (voice)
234 Episodes
Scott McNeil
Mr. White / Bumper (voice)
234 Episodes
Bill Mondy
1 Episodes
Louis Chirillo
Dukey (voice)
130 Episodes
Ashleigh Ball
Mary Test (voice)
104 Episodes
Trevor Devall
Dukey (voice)
104 Episodes
Brittney Wilson
Mary Test (voice)
78 Episodes
Andrew Francis
6 Episodes
Richard Newman
3 Episodes
