Tabou

タぼう

Tabou
Tabouタぼう 
AliasesDelta Lanthanoir, デルタ・ランタノイル
Hair, Brown, Short, Slicked Back, Spiky
Eyes, Brown
Body, Pale, Slim
Clothes, Ankle Socks, Cuffs, High Heel Sandals, Necklace, Shirt, Shorts, Tank Top
Items, Fanny Pack
Personality, Brave, Donkan, Friendly
Role, Childhood Friend, Friend
Visual novelsSide character - Ciel Nosurge ~Ushinawareta Hoshi e Sasagu Uta~
Voiced byMiyoshi Kousuke

Description

A young boy from the town of Manjusara who saves Ion. Childhood friends with Casty, he always rushes into danger to help his friends and cheers them up however he can. Headstrong but a bit thickheaded. Ta-bou is a nickname from the last syllable of his real name, Delta. 'De-ru-ta', 'ta-bou', 'bou' being a nickname for young boys like him.

[From Ciel Nosurge Summary]

Other instances

Delta Lanthanoir
Delta Lanthanoirデルタ・ランタノイル 
Hair, Brown, Spiky, Spiky Bangs
Eyes, Brown
Body, Muscular, Pale, Teen
Clothes, Belt, Choker, Coat, Flat Cap, Gauntlet, Half-Skirt, Knee Pad, Monocle, Power Armor, Shorts, Suit, Tank Top, Trousers, Wristband
Personality, Brave, Ore
Role, Childhood Friend, Comrade, Cook, Customizable Appearance, Shopkeeper
Engages in, Dimensional Travel, Fighting, Riding, Time Travel
Subject of, Accident, Amnesia, Fainting, Injury
Visual novelsProtagonist - Ar Nosurge ~Umareizuru Hoshi e Inoru Uta~
Voiced byJohnny Yong Bosch (English (Uncredited))
Miyoshi Kousuke (Japanese)

Description

"It's just a gut feeling... I just know it's all going to work out."
Age: 21

A young man who came from within the Barrier of Felion when it opened.
He protected humans from attacks by the Shalr as a member of the Divine Empress' PLASMA special forces team.
He was part of the Genomis task force, which was assigned only to select members of pLASMA, but was discharged from the unit after a certain incident.
He is currently runnig a small restaurant in Felion that he named "Cook de Delta".

[From the English official site]