Powers: The Blue Snowman uses a snow ray to create "blue snow," which she uses to freeze her enemies.
Bio: Byrna Brilyant was a teacher in Fair Weather Valley. Her father was a great scientist who created "blue snow," but she disguised herself as a man and used the weapon to threaten her town for a profit. Wonder Woman defeated the Blue Snowman and discovered her identity.
The Blue Snowman later joined Villainy, Inc., a group of Wonder Woman's greatest enemies.