Jareg
From Warhammer 40k - Lexicanum
Jareg was the World Eaters Legion's Master Shellsmith.[1][2]
Biography
He fought in the Great Crusade, achieving his rank by the time his Legion (then known as the War Hounds) were reunited with their primarch, Angron.[1]
By the Great Scouring, he was a known Heretek; he possessed a keen technical mind and had heavily modified his body with mechanical augmentations. In the period before the Battle of Skalathrax, Jareg served as part of the legion's "Enclave" leadership council.[2]