In January, 1977, actor Vincent Price appeared on The Muppet Show. Though he was most famous for his B-movie horror roles, Price was a classically trained and highly accomplished stage actor.
In this scene, Kermit interviews Price about the actor’s craft. Price has vampiric fangs. How?
Price explains that after years of concentrated effort and skill development, a master thespian can grow fangs at will. Kermit, as you can see, learns quickly.
-via Super Punch