Simred

Simred is a Black Whistle and a member of Ozen's subterranean delver squad, the Subterranean Bandits.

Appearance
Simred has messy, dark grayish hair and eye bags from possible sleeploss. He wears an dark blue muffler above a gray jacket.

Personality
Due to his brief appearance not much of his character traits are shown, but he seems kind, devoted to Ozen and cares for Marulk.

Seeker Camp Arc
Marulk goes to get Simred and the other Subterranean Bandits during the fight between Ozen and Reg, in hopes they can help to stop them.

After Reg regains consciousness he, and the other Subterranean Bandits, infrom him about what happened after he passed out and that Ozen was only testing them to judge if Riko and Reg are ready to hold their own in the next layers.

During Reg's and Riko's training he, and the other Subterranean Bandits, keeps an eye on them and reports their progress to Ozen.

When Reg and Riko leave the Seeker Camp he sees them off with the others.

Marulk
As the youngest member of the Bandits, Simred cares deeply for Marulk, as seen when he and the other Bandits comfort him for being sad that Reg and Riko left to continue their journey. Marulk also has alot of trust in the other Bandits, seeing how his first instinct was to get them to help stop the fight between Ozen and Reg.

Yelme and Zapo
As fellow Subterranean Bandits they share a very deep bond and interact with each other like good friends.

Ozen
He respects Ozen and follows her instructions. Despite her calling them "good for nothings" it's seen that she cares for them too.

Delving Expertise
As a Black Whistle, as well as being a direct disciple of a White Wistle, Simred must have a considering amount of expertise as delver.

Trivia

 * Simred is the highest ranked delver among the Subterranean Bandits