Liam Christopher O'Brien is an American voice actor, writer and voice director in the Los Angeles area. He has been involved in many English-language adaptations of Japanese anime, and is also a regular in numerous video games and cartoons. [wikipedia]
The Joker and the Green Goblin team up, along with the Sinister Six and Batman's greatest villains, the villains are terrorizing Gotham City and Batman can't stop them alone, so he calls an unexpected ally: Spider-Man
