Originally a man from 1930 named Peterson who was experimentally revived in 1980. He becomes addicted to futuristic pill-highballs, causing comedic disruptions, but later stows away on a Mars rocket for synthetic rum and is eventually reunited with his son.
RT-42 acts as a caretaker and ally to the time-displaced Single O.
J-21 assists in rescuing and integrating Single O into their future society.
Scientist whose invention inadvertently transports Single O to Mars.
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