Meriones unguiculatus. Mongolian gerbil I belive is the english name for these. In Norway we call them 'Ørkenrotter'.
We have three of them, the mother and two of here kids. The kids are called Sinni & Tupac.

Cavia porcellus, Norwegian: Marsvin
We have one of these; Marve

Rattus norvegicus, Norwegian: Hetterotte/Tamrotte
We have two females of these. We call them the killerats.