Is it possible that DC's Joker has Tourette syndrome?

Well, considering Tourette's Syndrome involves involuntary tics which include various muscle spasms and at least one type of vocal outburst (either just noises or offensive outbursts) then no, it's not possible. read more

The closest to the symptoms of Tourette’s would be Heath Ledger’s with his jerking head movements but they’d just be normal tics rather than Tourette’s as that would involve more spasms and at least some form of vocal tic. read more

Probably. It's very, very unlikely but probably possible. The reason no one can assuredly say yes or no is because there has been no official explanation for Tourette syndrome. read more