The Best Buy exclusive 6″ Black Series Heavy Infantry Mandalorian is officially designated as “D2” according to its packaging. The bio reads as follows:

A brawny warrior encased in the strongest Beskar armor, the mysterious Heavy Infantry Mandalorian is part of a secretive enclave of his people. A born survivor, he guards a precious armory and helps to keep the flames of Mandalorian heritage flickering in this time of galactic chaos.

Thanks to Austin C. for the image.