The Guru is a fictional character portrayed by Judd Nelson in the TV series Phineas and Ferb.
In the first episode they appeared in, titled Bubble Boys/Isabella and the Temple of Sap (season 2), they were 49 years old.
They appear in 1 episodes out of a total of 130 aired
Episodes1
Bubble Boys/Isabella and the Temple of Sap
episode S2.E16 october 2009Candace learns to drive as she did well with parallel parking. Phineas and Ferb invent a bubble machine and fly across Danville. / After inadvertently accepting to help Phineas on an experiment, Isabella and the rest of the troop get on a mission to find an exotic tree that the boys need to finish it. Meanwhile, Agent Pinky tries to stop Professor Poofenplotz from getting more units of her discontinued hairspray.