The Replacements/Instances by character

Riley Eugene Daring is the main character from Disney's The Replacements. She is an older sister of Todd and adopted daughter of Agent K and Dick Daring. She is the older, more responsible, more naive, and more trustworthy sibling who enjoys school. She is 12 and 13 in the first season and 14 in the second season.

Best Friends For Never? (S01E12)
Riley and Tasumi get into a fight that got really intense. Seeing how the school's counselor is highly ineffective, Todd calls Fleemco to replace her with a female wrestler. The replacement then trains Riley and Tasumi to settle their differences over a wrestling match. Riley seemed to have bulked up after the training, but it turns out she was just wearing a fake jumpsuit.