Crested geckos have gentle dispositions that allow them to be handled, and they are hardy, making them a good choice for a first gecko .The crested gecko is an arboreal, nocturnal gecko with a wide body and large head. Crested geckos also have two rows of spines that run from the sides of their wedge-shaped head to the base of their tail. Crested geckos have many naturally-occurring color groups, including grey, brown, red, orange, and yellow of various shades.