This is an image of a man's face. He is wearing glasses and has a large handlebar mustache. On his head he has a beanie style hat with a large letter T in its center.
This Travis CI icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 5,500 icons, all in the same style and quality.