Turtle B･I･G (タートルBIG) is a member of Shizuku Secret Mind and is the bassist of the group.
The turtle and number 1 bassist boy. With an outstanding sense music and composition power, he creates the core of Shizuku Secret Mind’s music.
A green turtle wearing silver and red headphones and a pair of yellow and green sunglasses. His shirt is pale gold with black spots.
In Aqua form his sunglasses are red and his headphones are spiked and green. In Wave form his headphones are silver and he has a little yellow hair and translucent lime sunglasses. He now wears a green and black wetsuit.
In Secret form his hair becomes thicker, and he wears gold and blue headphones to match his new outfit as well as sky-blue sunglasses. In this form it also looks like he is surfing on a wave.
When transformed, he wears his original attire but with hair from Secret Form.
He thinks about inspiration for music while surfing every morning. Although he has a cool personality his passion for music and surfing are invincible.