They look like my Wookie and Leah. Both now in doggy heaven. Wookie was 14 and Leah13. But Chihuahuas are just as addictive. I have 2 and am considering another.
Tinkerbelle is the black one. Willow is grey (but the vet calls that color a "rare blue").
Tinkerbelle and Willow
[ATTACH=CONFIG]276501[/ATTACH]