You can't get one.
Lady Googoo is not available in the Moshi Cupcake game in Cupcake Cavern.
Burnie is not available on the Moshi Cupcake game.
You attract moshlings in the Moshi Monsters Cupcake Game. Luvli is a Moshi Monster, so can not be caught in the Moshi Monsters Cupcake Game.
Gingersnap is not available in the Moshi Monsters Cupcake Game. There are only 15 Moshlings available in the Moshi Monsters Cupcake Game.
Snookums is not available on the Moshi Monsters Cupcake Game.
Humphrey is not available in the Moshi Monsters Cupcake Game.
Wurley is not available in the Moshi Monsters Cupcake Game.
There are only 15 moshlings available in the Moshi Monsters Cupcake game. Wallop is not available in the Moshi Monsters Cupcake game.
There is no Wispy in the Moshi Monsters Cupcake game in Cupcake Cavern. There are no Moshling named Wispy on Moshi Monsters.
There is no moshling named Jagar on Moshi Monsters or in the Moshi Monsters Cupcake Game.
There is no "sheep" moshling, either in Moshi Monsters or in the Moshi Monsters Cupcake game.
Angel is not one of the moshlings available in the Moshi Monsters Cupcake Game.