John Paul Karliak is an American actor and comedian who serves as the voice of the Elseworlds Joker in Suicide Squad: Kill the Justice League. He is known for voicing characters such as Tin Man in Dorothy & The Wizard Of Oz, the Boss Baby in the Netflix television shows The Boss Baby: Back in Business and The Boss Baby: Back in the Crib, Dante Crescendo in Trolls: TrollsTopia, Linus in The Stinky & Dirty Show, Wile E. Coyote in Wabbit and New Looney Tunes, Wolfgang in the Skylanders video game series, and Naysaya in the Disney XD animated series Star vs. the Forces of Evil. He also voiced Bailey in Disney Infinity: 3.0. Edition, N. Tropy in the Crash Bandicoot franchise, and Reese in Batman: The Killing Joke.