I love my ball python Allah, he is my absolute favorite snake, there is nothing much more you can ask for in a ball python!Nice colors, tame, eats well, and just pure awesome!
But for others, it would be
Snake: Green Tree Python
Lizard: My bearded dragon
Monitor: Spiny tailed monitor
Amphibian: Pac Man Frog( They look so cute when there babies!I wish they stayed that small!)

Whats funny about me liking Pac Man Frogs is that I HATE AMPHIBIANS WITH A PASSION!