
Theo is a mourning widower who appears briefly in Invincible's second season. Left alone after Omni-Man killed his wife, the hero Green Ghost, he nurses bitter resentment toward both Omni-Man and Debbie Grayson while struggling to move past his loss.
Tall and lean, Theo has a medium-to-dark complexion, short dark hair, and clean, defined features that lend him a settled, composed look. For clothing he pairs a gray jacket with a white collared shirt underneath, adding beige trousers and brown shoes.
Before he lost her, Theo was a devoted husband who treasured his wife above all else and everyone around him. Her death broke him, dropping him into a deep depression from which he could not climb. He came to loathe Omni-Man for the killing and turned his blame on Debbie too, faulting her for hiding the truth about Nolan for so long.
Theo had been the husband of Green Ghost until Omni-Man killed her, and he carried a deep hatred over the loss of both his wife and the wider Guardians of the Globe. Later he joined a support group for the partners of superheroes, people robbed of loved ones in that dangerous line of work.
At one meeting he crossed paths with Debbie Grayson, and the pair afterward shared drinks at a bar, trading talk of their spouses, Green Ghost and Omni-Man among them. There he snapped at Debbie for never probing deeper into Nolan's real aims and warned her against returning to the group. About a year on, when the evil Invincibles laid the planet to waste and hit cities like Chicago, his fate was left unresolved, with nothing said of whether he survived.

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Theo is a supporting character introduced in Invincible's second season, a grieving widower whose wife, the hero Green Ghost, was killed by Omni-Man. He struggles with deep resentment toward both Omni-Man and Debbie Grayson in the wake of his loss.
Theo is voiced by Daveed Diggs in Invincible.
Theo was married to Alana, the second Green Ghost, until Omni-Man killed her.
Theo blames Debbie Grayson for never probing deeper into Nolan's true nature, and he snaps at her over it when they meet through a support group for spouses of superheroes.
After Green Ghost's death, Theo joins a support group for partners of superheroes, shares drinks with Debbie Grayson, and later warns her against returning to the group. His fate after the evil Invincibles later devastated cities like Chicago is left unresolved.
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