Ryan Hillhouse (born March 15, 1997) is the stepson of Steven and the son of Kerry. He has younger identical twin half-brothers, David and Declan (aged 3) and Jake (aged 8) and Bryce (aged 6), and younger brother to Nathaniel (aged 11).

Like Nathaniel, and Jake, Ryan tended to be very aggressive towards his family. After Declan fell down the stairs, He showed lack of emotion and talked back to Steven when he confronted him about it. In addition, he went on a 3-hour rampage after Steven changed the Celtic tops privilege to football tops on the privilege chart that Jo made, which Ryan destroyed during his rampage. During Observation, Jake Called Him “Gay Bi**H* And Make Him Cry.

He was 9 years old when he appeared on Supernanny and is now 21 in 2018.