Chameleon (comics)
The Chameleon (Dmitri Smerdyakov) is a fictional character, a supervillain appearing in American comic books published by Marvel Comics. Commonly depicted as a master of disguise and the half-brother of Kraven the Hunter, the Chameleon is known as being the first supervillain for Spider-Man to face by first appearing in the original issue of "The Amazing Spider-Man".
Reep Daggle
In the 2005 reimagining/reboot of the Legion, the character was still referred to as Chameleon, but is now an androgynous humanoid. Chameleon can still shapeshift and is still a master detective. A minor difference to prior versions of the character is that his default form does not usually have visible antennae, although he produces them to analyze unfamiliar objects.