Milo was raised on the West Coast by their mother Minerva Meridian as a pawn for Miss Meridian's occult schemes. They served as a glorified minion, Prime Meridian, until one of their mother's former associates, Grit, provoked Milo into traveling to Halcyon City looking for trouble. They were taken down by heroes in the city and given a chance by Ms. Grit to run back to their mother to lick their wounds or join the Academy to make something of themself. They inherited their mother's occult secrets and keen mind for strategy, and only hope they can hone their skills enough to outmaneuver Miss Meridian and offer her the same chance at redemption, while she is intent on winning her child back in all the wrong ways.

Milo's father was from the Middle East, though they inherited their mother's pale gray eyes and lean build. They wear thrifted clothing and have not yet decided on a heroic identity.