What super hero weighs 175lbs is a male adventures and has red hair?

The superhero you're describing is likely Jason Blood, also known as Etrigan the Demon, from DC Comics. While he primarily takes on the form of Etrigan, he is often depicted as a male character with red hair in his human form. Etrigan is known for his adventures involving magic and supernatural elements. However, his exact weight may vary in different comic adaptations.