Was Heath Ledger's iconic, Academy Award-winning portrayal of the Joker inspired by a gravelly, disheveled Tom Waits? Maybe! At least it sort of seems that way based on this video the internet just discovered, in which a 30-year-old Tom Waits gives a 1979 interview that, in retrospect, seems like a veiled threat against Gotham City. Have a look below, and judge for yourself if there should be one more piece of pop culture you obnoxiously describe as "very Waits-derivative."
Now it seems so obvious that "What's He Building in There?" was clearly about the Batcave.