(an excerpt from www.behindthename.com ...)

JASON male English, Greek Mythology (Latinized), Biblical
Pronounced: JAY-sun
From the Greek name Iason, which was derived from Greek iasthai "to heal". Jason was the leader of the Argonauts in Greek legend. This name is also used in Acts in the New Testament to translate the Hebrew name Joshua.

P/S JuAnn: a twink is a young gay person, usually a thin teenager