Helen Sanderson

Helen Sanderson, better known as Mrs. Sanderson, is the mother of Jenny Sanderson and the wife of George Sanderson. She hates the fact that her husband bought Chibi-Robo because they barely had any money at the time, but still respects Chibi-Robo and likes what he does in the house. She eventually starts liking Chibi-Robo even more as the game advances and starts calling him "Cheebo". After Chibi-Robo finds the toy receipt, Mrs. Sanderson locks herself in the Bedroom and criticizes her family's habits, threatening divorce.

Helen Sanderson
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Other names	Mrs. Sanderson
Gender	Female
Height	162 cm (5 ft 3.78 in)
Appearances	Chibi-Robo! Plug Into Adventure!

Personality

Mrs. Sanderson tries to be the voice of reason and down-to-earth about things. She worries about the mounting bills from Mr. Sanderson's needless spending of Moolah on Drake Redcrest collectables, and gets pretty sarcastic about his hobbies, wanting to sell his toys in a garage sale. She also worries that Jenny will never take her frog costume off. On the other hand, Mrs. Sanderson does admire Jenny's skill in art, and wishes that she herself was able to draw.

However, in Giga-Robo's recorded memory, and when Chibi-Robo and Telly go back in time 10 years in the Alien's transport shuttle, it is revealed that Mrs. Sanderson was almost like Mr. Sanderson in behavior, enjoying the fun that he, herself, and Giga-Robo were having together before financial difficulties set in.

Mrs. Sanderson's attitude to Chibi-Robo is as if he was a person, despite him being the size of a very small action figure. She sometimes makes positive comparisons to him and complimenting him for his duties, as opposed to her husband and daughter. In the plot where she locks herself in her room after telling off her family, Mrs. Sanderson confesses that before her own boycott against work, she never knew how boring it is to not have anything to do.

Later in the story, when Chibi-Robo opens the suitcase with Giga-Robo's Leg, the larger Spydorz start attacking Mrs. Sanderson, prompting her husband to break down the door and rescue her.