Wow. It's been so long since I counted up all my virtual pets. Lemme give it a go...
5 P1 Tamas
4 P2 Tamas
1 Limited Edition P2 Tama (Gold. Available from Toys R Us a looong while back. I think I was 11 when I got it.)
1 Digital Doggie Giga
1 Cyber Kitty Giga
1 Bit Critter Giga
1 Koala...