My friend's daughter has a green iguana, a popular pet apparently.
I love iguanas. Such cool and docile pets I have heard.
I just can't imagine.  The can live to be 20 years old! 
WOW. I didn't know their life span was that long. Amazing creatures.
Iguanas have a dewlap, which is a spine and OMG a tiny 3rd eye on their heads! Creepy!
I never heard the term Delap. That is a cool name. I am definetly sure I never heard they had a 3rd eye.
Blue iguana
The blue iguana ("Cyclura lewisi"), also known as the Grand Cayman ground iguana, Grand Cayman blue iguana or Cayman Island rock iguana, is an endangered species of lizard endemic to the island of Grand Cayman. Previously listed as a subspecies of the Cuban iguana ("Cyclura nubila"), it was reclassified as a separate species in 2004 because of genetic differences discovered four years earlier. The blue iguana is one of the longest-living species of lizard (possibly up to 69 years
Green iguana in captivity
The Green Iguana ("Iguana iguana") has become popular in the pet trade – over 800,000 animals were imported into the United States alone during 1995, primarily originating from captive farming operations based in their native countries (Honduras, El Salvador, Colombia, and Panama). They can live to be 30 years old as reported by owners. In 1998 a National Iguana Awareness Day (NIAD) was established to discourage consumers from viewing iguanas as "disposable pets". Despite the low cost and