Buffy the Vampire Slayer
During the day, he was a helper to a professor at Sunnydale University. At night, he lead a military team that hunted and captured demons. He had increased strength and endurance, but he was not as strong as Buffy. He gave Buffy an ultimatum and at the last minute she decided on him. But when she got to his helicopter they had already taken off and he did not see her. When he comes back in a later episode Buffy finds out that he is married.