Mattel released a set of Welcome Back, Kotter action figures in 1976 and they are about as rad as one might expect. They’re about 1/9 scale and very similar to the Mego offerings of the day with fabric clothes instead of the molded-in clothing most figures smaller than play scale tend to have.
Superdupont 1972 Vintage Men’s T-Shirt
Monster in My Pocket 1989 Vintage Men’s T-Shirt
Apuaha Bulgarian Lager 1894 Vintage Men’s T-Shirt