Let's see now... 'M an' Missingno., the Mew glitch, green has no Struggle -- run outta PP in a battle an' get stuck, the trainer w/ lvl 50 pokes in Viridian on my Silver now has only glitch-pkmn, lingering sound on Ice Beam, glitch city, an' the stuff that ya can do on Cinnabar's East coast... XD