Yes if he/she is a full blooded chihuahua if a mixed breed than it might not be to much.Does the dog look overweight?if so call your vet and ask what you can feed the dog so it will lose weight.
100.7kg is 15st 12lbs
12 pounds 8 oz = 5.7 kilograms
A chihuahua can not have full poms, they would be part chihuahua.
12lbs
That is 192 ounces.
11st and 12lbs
Usually the fox would be bigger than the chihuahua.
Triton's gravity is about 8% of Earth's. So it is reasonable to assume that he would weigh about 12lbs.
Chihuahua's do shed moderately. If you have allergies to dogs then there is a good chance that having a chihuahua will bother you.
Usually a chihuahua costs around $20.00
7st and 12lbs
12lbs = 0.86 stone