From Bulbapedia, the community-driven Pokémon encyclopedia.
PkMn (DC) is a dual type normal/blank glitch pokémon exclusive to pokémon yellow. It occupies hexadecimal slot DC and becomes Glitch (DC) if traded to red and blue. It can be obtained via the johto guard glitch with Ampharos or trading Template:Glitch (DC) from pokémon red and blue. When attempting to encounter via a gameshark or the mew glitch with a special stat of 220 the player will encounter a rocker.