|Mount Middleton Observatory, Middleton Institute of Science and Technologies|
|No Known Relatives|
|James Possible, Professor Ramesh|
|No Known Love Interests|
|No Known Pets|
|No Known Nemesis|
|Behind the Scenes|
|Attack of the Killer Bebes|
Bob Chen is of Far-Eastern descent. He is of slender build, has prominent cheekbones, dark eyes and styles his black hair with a side parting. Typically he wears large, round glasses and a lab-coat and tie.
Bob comes across as quite lighthearted. He enjoys teasing Dr. Possible and comments playfully on Dr. Drakken's inability to build a proper robot.
Dr. James Possible
Behind the Scenes
Bob Chen is voiced by Gedde Watanabe.