Geckasaur appears to be two Komecko attached together, minus the tail. Four tan stripes cover the area where the two bodies join, and the tongue color has changed from red to blue.
Dex Entry Edit
Twin Gecko Pokemon
WT 71.6 lbs.
Geckasaur’s 2 heads confuse enemies because they are unsure which head to attack, this gives plenty of time for it to execute the finishing blow!
Geckasaur may be a combination of "Gecko" and the suffix "saur," used to describe dinosaurs.