Mutant (real name Javier Muñoz Arrieta), is a Countries.SOUTH_AMERICA__adjective_masculine Dota 2 player who currently plays as offlaner. In addition to his primary nickname, he is also known as rex.y.

Mutant has been playing for NERDYNINJAS since January 2024.

Among the player's recent achievements, it is worth noting Radiant Rumble November Edition (3 place).

* This description is based on information from the cyberscore.live database