Pan młody and other 85,000 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).
A groom icon is an icon of a man's face and the man has a bow tie under his chin. Since weddings are formal events, the groom icon must look proper and would be shown wearing a bow tie and has neat looking hair.