Dymek and other 65,000 icons from Icons8 icon pack follow the visual guidelines of the operating systems: Windows, iOS, Android KitKat, and Material. PNG format is free up to 100x100 px. Icons are availble for download in PNG and vector (SVG, PDF, EPS, and more).
This speech bubble is in the shape of an oval with the exception of a curved triangle pointing out around the lower left of the oval. This curved triangle is small compared to the oval and looks a little bit like a fang or sharp tooth.