It was Snapdragon (in Pirate Seas) but was changed its design to become Water Dragon in "Plants vs Zombies: All Stars": http://plantsvszombies.wikia.com/wiki/Water_Dragon
I was about to do this when I first saw this video (but then always forgot to do it): https://www.youtube.com/watch?v=4KgK3yt34MM
Appears on these pages
The texture was put there.
Real in code. The texture is a hack.
So...did you PUT that texture in there or did they copy-paste the Water Dragon texture from...