I'm debating whether this should be a person or thing... Sumomo is a mobile persocon owned by Shinbo in the anime/manga Chobits. Sumomo tends to wake Hideki up early in the morning (earlier than he would like) in order to do exercise. Sumomo got scared very easily by Hideki early in the series, but (SPOILER ALERT FOR THOSE WHO HAVEN'T READ/WATCHED ON...) later became more comfortable with him, after Shinbo lent Sumomo to him.

Other persocons include: