are both villains. However, Harley quickly regrets abandoning Batgirl and returns to rescue her. After Batgirl comments that Harley is not as villainous as she believes herself to be, the latter beats Tetch to death with her baseball bat to prove her otherwise. Film The Mad Hatter was considered by Mark Protosevich to appear in Batman Unchained, the unproduced third Joel Schumacher Batman film, but was dropped in favor of the Scarecrow and Harley Quinn. Rowan Atkinson and Robin Williams were considered for the role. The Jervis Tetch incarnation of the Mad Hatter appears in Batman: Bad Blood, voiced by Robin Atkin Downes. This version works for the League of Assassins as one of Talia al Ghul's henchmen and helped turn Heretic, a clone of Damian Wayne, into the perfect soldier for the League. After Heretic captures Batman, Tetch reprograms his mind to follow Talia's orders and reveal his and his allies' secrets. After Batman helps the League infiltrate the World Tech Summit and take over Wayne Enterprises' technologies, Tetch brainwashes all of the attending politicians and dignitaries into obeying Talia. However, he is killed by a system overload caused in the ensuing battle between Batman's allies and Talia's henchmen. The Mad Hatter makes a cameo appearance in Batman Unlimited: Mechs vs. Mutants, voiced by an uncredited Alastair Duncan. The 1960s Batman TV series incarnation of the Mad Hatter made a cameo appearance in Batman: Return of the Caped Crusaders. The impostor Mad Hatter makes a cameo appearance in Scooby-Doo! & Batman: The Brave and the Bold. The Mad Hatter appears in Batman: The Long Halloween, voiced by John DiMaggio. Video games The Mad Hatter appears as a boss in The Adventures of Batman & Robin. This version's appearance is based on that of the Batman: The Animated Series version coupled with elongated eyelashes on his left eye similarly to Alex DeLarge's. Additionally, he commands an army of robots based on characters from Alice in Wonderland. The Mad Hatter appears in DC Universe Online, voiced by Aaron Mace. The Mad Hatter appears in Scribblenauts Unmasked: A DC Comics Adventure. Lego Batman The Jervis Tetch incarnation of the Mad Hatter appears as a boss and unlockable character in Lego Batman: The Videogame, with vocal effects provided by Chris Edgerly. This version is one of the Joker's lieutenants and is armed with a small handgun. The Mad Hatter appears as an optional