The Iguanas

There are 3 iguanas that live in/near our backyard. Here is the biggest one, he is all grey, and we named him Gigantor:
The smallest one, seen below on the dock, is all green. we still need a good name for him, all I can think of is Kermit:

We see them every day, they wander all over the back yard, even coming close to the house by the deck. The middle sized iguana is about half green and grey. There are also hundreds of geckos, they are our own personal exterminators.