To get Scarlet O'Haira on Moshi Monsters, you have to complete Super Moshi Season 2 Mission 7, Masters of the Swooniverse. Note that you have to be a paid Moshi Member to get Scarlet O'Haira.
067 *Scarlet O'Haira the Fluffy Snuggler [Mythies] Rare: Super Moshi Season 2 Mission 7: Masters of the Swooniverse
No, there is no hamster moshling on Moshi Monsters.
There is no squirrel moshling on Moshi Monsters.
There is no Bessy moshling on Moshi Monsters.
There is no Christmas moshling on Moshi Monsters.
There is not Moshling called Stingy on Moshi Monsters.
No, there is no Moshling named Boney on Moshi Monsters.
There is no moshling called Diamic on Moshi Monsters.
There is no Stringy Moshling on Moshi Monsters at this time.
There is no Moshling named Libby on Moshi Monsters.
There is no moshling named McNippy on Moshi Monsters.
You get Scarlet O Haira
For Season 2 Mission 7: Masters of the Swooniverse, you get the Moshling Scarlet O'Haira the Fluffy Snuggler.