Ethan Shanfeld Jo Ellen Pellman (“The Prom”), Joe Serafini (“High School Musical: The Musical: The Series” and Andy Lassner (“The Ellen DeGeneres Show”) are among the entertainment industry figures making appearances at Go24forGarrett’sSpace, a 24-hour livestream fundraiser for the suicide prevention nonprofit that helps struggling young adults.“We put this event on to honor our son and the goodness that he exudes and the good that he brought to this world,” says Garrett’s Space co-founder