Master John is a fictional character portrayed by Martin Kove in the TV series The Goldbergs.
In the first episode they appeared in, titled The Kara-te Kid (season 4), they were 70 years old.
They appear in 1 episodes out of a total of 229 aired
Episodes1
The Kara-te Kid
episode S4.E16 march 2017The ultimate karate battle between the Adams.