XP-kun
From OS-Tan Collections Wiki
XP-kun is large man in his late teens to early 20s, with a very muscular build, wears shackles on his wrists and legs, tattered blue and white clothing not unlike XP-tan's, and several large scars forming the letters XP across his chest. His hair is black, and braided into a long ponytail. XP-kun has an aggressive temperament, and is known for not thinking things through.
See also: