odd man out (noun)

1. In the mystical realm of dragons and wizards, the odd man out was the hermit who lived alone in a cave.

2. Among the colorful cast of characters in the anime series, the odd man out was the quirky and unpredictable magician.

3. In the monastery, where everyone followed a strict routine, the odd man out was Brother John, who spent his days meditating in silence.

4. At the costume party, dressed as a dinosaur, Bob was the odd man out among the superheroes and princesses.