she asks him out on a date. In the subsequent episode, "Pool Party", it is revealed that Susan and Robert are getting divorced. In her debut episode, Susan notes in an interview that she met Robert when she was a secretary at a company he acquired, and that he cheated on his second wife when they began seeing each other. Bert California (David Mazouz) is Robert's adolescent son, who shares some of his father's peculiar personality traits. He appears in "Spooked", in which he accompanies Robert to the office Halloween party, and soon bonds with Dwight, due to their similar interests and opinions. Other characters Hank Tate Hank Tate (Hugh Dane), also known as Hank the security guard, is head of security at the office park. Hank is quiet and stern, and unenthusiastically carries out his duties from his desk at the front door of the office park. Since Dwight purchased the building, Hank's duties have expanded to include running the ramshackle coffee counter that was installed in the lobby. He is first seen sitting at his desk as Michael exits the building at the end of "Halloween". In "Drug Testing", Michael "pulls a few strings" and makes Dwight official Security Supervisor for the Dunder Mifflin Scranton branch. In "Night Out", Jim forgets to let Hank know that the office workers would be working late and Hank locks them and their cars behind the parking lot's gate. Unsure of Hank's name, Jim calls Hank's number on Toby's cell phone to ask him to come and unlock the gate. The other office workers realize that they never tipped Hank last Christmas (Jim forgot to collect it) and Hank will probably not come help them. Later, the Scranton Business Park cleaning crew arrives to unlock the gate, and Hank arrives some time later to find everyone had left without notifying him. When Toby Flenderson leaves the office at the end of Season 4, Michael brings Hank to escort him out, to Toby's annoyance. He plays the guitar in "Crime Aid" while selling CD's to help repay for the robbery; he uses the stage name "Hank Doyle". Hank is also called upon by Michael to decide what the Dunder Mifflin staff should do with extra money in "The Surplus" but is abruptly dismissed after not being able to make a quick decision. During "Two Weeks", Hank is ordered by Charles Miner to physically