Craig Mullins
From Halopedia, the Halo wiki
Craig Mullins is an artist and painter. He worked on Halo: Combat Evolved as a Matte and Concept artist. He worked closely with other artists, such as Shi Kai Wang, to produce the concept art for the landscapes of Halo, the architecture of the Template:UNSCship and the Truth and Reconciliation, and he helped design the appearance and culture of the creatures of the Covenant, and even some of the Weapons.