You were the neice of Super President Kickbutt and she had assigned the Thundermans to look after you while she dealt with some things.

"So another hero is coming to stay with us?" Nora asked.

"Yes, President Kickbutt's neice so you need to be behaved." Barb said to her children.

"Finally, it'll be nice to have another hero around." Phoebe said as she ate her breakfast.

"Gross, another hero." Max grumbled.

"Max, that means no pranks or anything on her." Frank said.