Trevor Cotton

Trevor Cotton is a secondary character who appears in Season 1. He is the husband of Phyllis Cotton. After being mortally injured by Cain Fletcher, Trevor find Blake Floyd and, with the help of his wife, saves his life. Though Blake eventually leaves the Cottons, he feels greatly indebted to them for rescuing him.

Pre-Apocalypse
Long before the end of the world, Trevor met and married his wife, Phyllis. The two had an unnamed son, who later entered the army. At some point, Trevor retired and managed to miss the initial outbreak's effects due to their walled-off house.

"What You Have To Do"
Trevor saves Blake from an infected and brings him back to his house. He and Phyllis save his life and nurse him back to health. When Blake wakes up, he immediately tries to leave, but Trevor manages to talk him into staying for a while to heal. Eventually, Blake can no longer tolerate staying and leaves. On his way out, Trevor gives Blake a pistol "just in case" and wishes him luck.

"What We Are"
Blake visits the Cottons once more, offering to let them join The School Group. Trevor refuses, stating that they "can take care of [their]selves".

"Gone Too Long"
After six months, Blake decides to return to the Cottons' House after encountering the Scavs for the first time. However, he finds the house abandoned with Phyllis buried in the garden.

Trivia

 * To date, Trevor and Phyllis are the oldest characters to appear.
 * Chronologically, his and Phyllis' relationship is the longest to have existed.