Alfred Pennyworth by like he did when everyone lost their powers, attempted to strike one of the police members and was killed in response. Alfred's name was later given officially as Alfred Beagle. This name was subsequently given to an alternative version of the character from the world of Earth-Two, and Pennyworth became Alfred's accepted surname in the mainstream continuity. Alfred has also used the alias "Thaddeus Crane", which is derived from his middle names. His full name of Alfred Thaddeus Crane Pennyworth was depicted on his tombstone in "Superman/Batman: Generations". Grant Morrison's run has referred to the Beagle surname as a
Batman: The Animated Series as the Mad Hatter, David Warner as Ra's al Ghul, Michael York as Count Vertigo, Kate Mulgrew as Red Claw, George Murdock as and George Dzundza as the Ventriloquist. One of the series' best-known inventions is the Joker's assistant, Harley Quinn, who became so popular that DC Comics later added her to mainstream Batman comic book continuity. The Penguin underwent change for the series; his appearance was remodeled after the version seen in "Batman Returns", which was in production simultaneously with the series' first season. New life was also given to lesser-known characters for the series such as the Clock