Randy Rosen works with Dennis on his wedding video business. After seeing the strange figure on Dennis and Julie's sex tape, he suggests that Dennis sets up cameras to try and capture it again.
On September 23rd, 1988, after Kristi mysteriously falls ill, Randy is called over to babysit Katie while Dennis and Julie take Kristi to the hospital. After asking her what she wants to do, Katie suggest playing Bloody Mary; Randy accepted and decided to film it. The result sees Randy hurt by an unknown force and Katie and Kristi's room being moved around by an unknown force. Following this, Randy leaves the house, claming it's too dangerous to stay.
He isn't seen for the remainder of the film, his fate is also unknown but he is probably presumed alive.