During Mackie's visit to the late night show, host Jimmy Fallon asked if the shirt was a "real Gordon Gartrell." Mackie called it "authentic" and revealed his wardrobe department made it for him. Little did Mackie know that the real-life Theo Huxtable would be watching — and wonder if he could get one, too.

Malcolm-Jamal Warner played “The Cosby Show’s” Theo Huxtable with a charismatic mix of bravado, innocence and hysteria.

To truly comprehend how essential a big brother Theodore Huxtable was to Black Gen X boys, we must remember what prime time offered before the arrival of Bill Cosby's only son from the heralded sitcom,