James Tolkan is known for his role in the 1985 film Back to the Future as the strict Hill Valley High School assistant principal, Gerald Strickland; the character refers to Marty McFly, his father, and Biff Tannen derisively as "slackers". He reprised the role in the 1989 sequel Back to the Future Part II, in which unnamed gang members make a drive-by assault on him in a dystopian 1985; he also refers to these criminals as "slackers" as he shoots back. James Tolkan has hand signed this Back to the Future II Full Size Hoverboard w/ Mr Strickland inscription. JSA Authentication Sticker #RR76706 and JSA Certificate of Authenticity. This hoverboard prop looks just like the one used by Marty McFly! Designed as a 1:1 scale replica of the original, this hoverboard prop is made of molded plastic. It measures 28" long, 8" wide, and 1" thick. It has attached hover plates on the bottom, and a hook and loop fastener foot strap and hook and loop fastener grips attached on the top.