When defeated in battle, a row of "n"s appear at the top of the screen and gradually fill it before the battle ends. It learns many glitch moves and moves of other types.
It occupies Hex CC (204). If it is traded to the Yellow version, it becomes a .8. It learns several glitch moves prior to level 100, including TM35 (twice), TM05, and TM50.
This glitch Pokémon article is part of Project GlitchDex, a Bulbapedia project that aims to write comprehensive articles on glitches in the Pokémon games.