Mister Dubowski is a recurring background character.
Appearance[]
He has an orange moustache and wears glasses.
Season 1[]
Dire Education[]
In the dodgeball gym he and the tall black-haired woman are standing on either side of Henry behind Coop and Dennis. She is not Dennis' Mom.
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Hack Kattack[]
Shown sitting with an orange-haired boy also with glasses who might be Dubowski's son, along with the waitress who is the mother of the Turtle girl.
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on far right
Suddenly Last Slammer[]
This is the episode where Dennis reveals his name while narrating his and Coop's greeting to him
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in Dennis' version
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in reality, looking for the keys to his sidewalk sweeper stolen by Kat
Season 2[]
Coop D'Etat[]
Shown shopping with a taller black-haired woman.