Giga Mermaid is initially hostile, due to being captured by the Techno Baron, and attacks anyone who approaches. Once she is freed, however, she appears to be rather friendly and generous, The Giga Mermaid's eyes and forehead gem appear to change color with her mood - blue is her true kind personality. and Red is when she is enraged or mind controlled. Giga Mermaid is a gigantic mermaid, with light green skin, long dark blue hair that runs past her hips, fish fin-like ears, and blue eyes.