|First Appearance||Backyard Baseball (1997)|
|Last Appearance||Backyard Sports Rookie Rush|
|Voice Actor(s)||Dolores Rogers (1997-2002)|
Lani Minella (2002-2003)
Dmitri is the nerd of the Backyard Kids.
Dmitri is overweight, has red hair, glasses and keeps pens in his breast pocket.
He is a smart and technical nerd. He likes to comment about sports in a nerdy and smart-technological way.
- His last name is a play on "petri dish"
- In Sandlot Sluggers and Rookie Rush, he is the captain of the team called "Bunsen Burners" and plays his home games at "Quantum Field".
- His father was a Soviet Rocket Scientist before defecting to the U.S.
- He is a part of many clubs, and president of some also. His favorite club is the Rocket Club.
- Annie Frazier from Backyard Hockey sounds like him.