Hmmmmmm.....tough question if you want them in any particular order. I would like to have them all very much, so the least to the greatest is too close to measure:

SNAKES
1. Burmese
2. Boa Constrictor Constrictor
3. Green Tree Python
4. Brazilian Rainbow Boa
5. Liasis Fuscus (Brown Water Python)

LIZARDS
1. Frilled Dragon
2. Crested Gecko
3. Various chameleons