Jona was the personality that was imprinted onto O'Neill when he was given a memory stamp and forced to become one of the underground workers on P3R-118, with no memory of his past. Jona developed a mutual attraction toward Therra, and began to have vivid dreams as memories of his past began to return.

Portrayed by: Richard Dean Anderson

Cross Reference: Brenna, Calder, Carlin, Kegan, Memory Stamp, Nightsickness, P3R-118, Therra, Tor

Episode Reference: Beneath the Surface