Tony Alva is an American skateboarder, entrepreneur, and musician. He was a pioneer of vertical skateboarding and one of the original members of the Zephyr Competition Skateboarding Team, also known as the Z-Boys. The Transworld Skateboarding Magazine ranked him eighth in its list of the "30 Most Influential skateboarders" of all time.

Jay J. Adams was an American skateboarder. As a teen, he was the youngest member of the Zephyr Competition Skateboarding Team (Z-Boys). His spontaneous freestyle skateboarding style, inspired by ocean surfing, helped innovate and popularize modern skateboarding. His aggressive vertical tricks make him one of skateboarding's most influential stylists.