Gage Kyle Peterfreund (born July 11, 2006) is the younger brother of Jett, older brother of Trey and Myles, and son to Keith and Sonya.

He is the worst one out of the four. According to his parents, Gage was an extremely headstrong child who did what he wanted to when he wanted to. He was very aggressive and threw a football at his newborn brother, Myles.

Gage was diagnosed with ADHD and juvenile Bipolar shortly after filming.

He was 3 years old when he appeared on Supernanny and now is 12 in 2018.