Professor Achilles Milo was an unscrupulous scientist who eventually joined Cadmus. Although some of his work involved splicing, he was not actually a "splicer" himself as he never engaged in self-experimentation.
Milo was a scientist from Gotham City who specialized in biological tampering of animal subjects. He had long been engaging in these illegal practices when he raised the ire of Catwoman, whose cat Isis had been captured. At the time, he was working for Roland Daggett to infect stray animals with a special virus, as well as an antidote which Daggett would then market the medicine, gaining both Daggett and Milo acclaim and money. This drew the attention of Batman, who shut the operation down and dealt with Milo and his experiments.
Hired by Romulus
Soon after, Milo became involved with splicing for steroidal use. Noted Olympic Champion Anthony Romulus hired Milo to find a way to increase his performance in the Autumn Games. However, the enhancement consequently caused Romulus to change into an uncontrollable werewolf creature that had to be stopped by Batman. Following this, Milo was arrested, but was first put under the care of a prison hospital as he had been wounded by the werewolf. Despite snickering that they had nothing on him, Commissioner Gordon told Milo not to be so sure, and charges against him were prepared.
Years later, he was brought onto Project Cadmus due to his experience with splicing. However, despite access to Kirk Langstrom's notes and his own experience, he was not able to produce a successful, controllable subject. After many failures, including a superpowered warthog that destroyed his lab, Amanda Waller reassigned him to a less important position. Enraged by this (even fantasizing shooting down his colleagues), he decided to have his revenge by freeing Doomsday, who had recovered full brain activity. After sharing his troubles with him, Milo struck a bargain that Doomsday would get revenge on Cadmus for the wrongs they had committed and "solve both their problems." However, soon after freeing Doomsday, Milo became afraid as the monster approached him. Doomsday merely declared that Milo's problem was already solved, and the scientist was heard screaming as his head was crushed. After learning that Doomsday was freed, Waller immediately deduced that Milo was responsible and threatened to punish him severely for it, only to be informed of his demise by Doomsday's hands.
- Derek, Sean Catherine (story) & Dixon, Buzz (teleplay) & Kirkland, Boyd (director) (November 5, 1992). "Cat Scratch Fever". Batman: The Animated Series. Season 1. Episode 33 (airdate). Episode 36 (production). FOX Kids.
- Wein, Len (writer) & Sebast, Dick (director) (November 11, 1992). "Moon of the Wolf". Batman: The Animated Series. Season 1. Episode 36 (airdate). Episode 43 (production). FOX Kids.
- McDuffie, Dwayne (story) & Goodman, Robert (teleplay) & Riba, Dan (director) (February 19, 2005). "The Doomsday Sanction". Justice League Unlimited. Season 1. Episode 16 (airdate). Episode 16 (production). Cartoon Network.
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