Anatoli Burgorski is a sizable man at six feet. He wears dark hair over pale skin. Full features give him an expressive face. He has a twin, Andrey, also in the human-hybrid project. Anatoli has a distinctive mark on his right eyebrow from an injury as a child. His eyebrow appears to be shaved in the center, although it is no more than a scar.

Anatoli is combined with mockingbird DNA, enabling him to imitate voices and other sounds with near-pitch-perfect accuracy. He uses this skill to communicate clandestinely with his twin, who shares the same skill.

Anatoli is the more outgoing of the two brothers. He smiles, laughs, and frequently touches his brother in conversation. 

We first meet Anatoli in Book 6 of The Human-Hybrid Project, Taking the Tower.