Mr. Sanderson is the father of Jenny and the husband of Mrs. Sanderson. He bought a Chibi-Robo for Jenny's birthday, which leads Mrs. Sanderson to get angry, since he had just lost his job and they didn't have much money. He also buys lots of toys despite being an adult and being in between jobs and shows a special love for the Drake Redcrest show and toys
Chibi-Robo! Plug Into Adventure! Edit
He's the one who created the Spydorz, but his original plans for them was that they'd help people. Instead, the company he used to work used them for evil doings, and that's why he retired from his job. Later in the game, his whole family is attacked by Spydorz and it's up to Chibi-Robo to save them. At the end of the game, he gets a job at Citrusoft.
Chibi-Robo! Clean Sweep Edit
Mr. Sanderson does not appear in the game, but is mentioned by Telly. Between the events of Plug Into Adventure and Clean Sweep, Mr. Sanderson was hired by Citrusoft and invented trash cans that generate House-Watts to combat the energy crisis caused by Chibi-Robos.
Mr. Sanderson tends to have a childlike behavior and is very lazy. He has shown to have a slight fear of his wife due to the fact that she was angry of him. Despite his behavior, he deeply cares for his family and tends to be protective of them.