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.

TV One will pay tribute to the late Malcolm-Jamal Warner wi marathons of 'The Cosby Show,' celebrating his role as Theo Huxtable.

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