Stuart Minkus (often identified only by his last name only) was the epitomic nerd that accompanied Cory, Shawn and Topanga in elementary school.
- Had an enormous water gun for the highly-anticipated water fight in "On The Fence"
- Was noted for being very intelligent, as he was Feeny's choice to attend the geography bee in "Killer Bee"
- Often assumed he and Topanga would end up as a couple, although that never happened.
- Was willed to disappear by Cory and Shawn at the end of "I Dream of Feeny" and wasn't seen for another 4 years.
- Accidentally discovered the secret of time travel at the end of one episode, only to discount it by saying "Nah."
- Was horribly shaken when Feeny asked the class a big question that had no true answer. When told he was wrong, Minkus stood up and went to the nurse.
- Appeared again in "Graduation", was upset because Cory, Topanga, and Shawn never spoke to him.
- When Cory asked him where he had been, he simply said in the other part of the school and gestured offscreen. He then called to Mr. Turner, who hadn't been seen for a full season at that point.
- On the Fence (First appearance)
- Father Knows Less
- Cory's Alternative Friends
- Killer Bee
- Boys II Mensa
- Teacher's Bet
- Class Pre-Union
- Santa's Little Helper
- The Father/Son Game
- Once in Love with Amy
- She Loves Me, She Loves Me Not
- The B-Team of Life
- Model Family
- Risky Business
- The Fugitive
- Kid Gloves
- The Play's the Thing
- Boy Meets Girl
- I Dream of Feeny
- Graduation (Final appearance)
- The writers had originally intended to name him "Stuart Lempke". In the DVD audio commentary, they say the name was changed to Minkus because it was found that there was an actual person named Stuart Lempke living in Philadelphia.
- Has a son named Farkle Minkus in the new Disney Channel show Girl Meets World.