Q: After Jimmy deny Dandy's opportunity to join the troupe, Gloria, with the intent to console her son, mistakes a demented serial killer clown named Twisty (John Carroll Lynch), who was responsible for the recent crimes that plagued around town, as a stray circus performer and brings him to surprise Dandy as his playmate. When Dandy peeks in Twisty's belongings, however, the latter knocks him down and runs away back to his dwelling at the woods, where he has several kidnapped children for his personal performance; his plan is to win back their attention against the freaks, who had cruelly taunted him in his past life as a former troupe member, leaving him devastated and hence fuelling him to attempt at his life, which resulted in his lower jaw mutilated after shooting himself in his mouth. Dandy follows Twisty and forms an allegiance with him after discovering the Twisty's intentions.

Answer this question: who plays the clown in american horror story season four?
A: John Carroll Lynch
Explain how we arrive at this answer:
Explanation: The relevant information is: After Jimmy deny Dandy's opportunity to join the troupe, Gloria, with the intent to console her son, mistakes a demented serial killer clown named Twisty (John Carroll Lynch), who was responsible for the recent crimes that plagued around town, as a stray circus performer and brings him to surprise Dandy as his playmate.