don't know yet
Scrumpy has not been released in the Moshi Monsters game at this time (September 2012).
As of today, Scrumpy the Moshling is not yet released in the Moshi Monsters game, even though it has been seen in the Monsters Magazine. At least in 2010 this wasn't yet the case and there have been no reports of Scrumpy being available in the Moshi Monsters game right now.
Scrumpy from Moshi Monsters has been seen in Mission 9 "Missing on a Star" after you defeat of the the Mutant Glump Sharks. Scrumpy is a new Moshling in the Arties set and was confirmed in the Ultimate Sticker Collection and Ultimate Collector's Guide.
041 Scrumpy the Surreal Snoper [Arties] any Star Blossom, any Love Berries, Blue Moon Orchid
scrumpy isent relist yet Scrumpy the Surreal Snooper was added to the Moshling family in June 2012. You can get Scrumpy on Moshi Monsters by digging up any magic beans, any silly peppers, and any moon orchids.
041 Scrumpy the Surreal Snoper [Arties] any Star Blossom, any Love Berries, Blue Moon Orchid
There is no code to undo a code on Moshi Monsters.
blue moon orchid blue moon orchid black snap apple
by seeds
No, you do not have to use your MoPod code on Moshi Monsters.
There is no code for the Disco Wallpaper on Moshi Monsters.
No, monstrosteet is not a secret code for Moshi Monsters.