Becks Butler is the 3 year old son of Henry and Gemma Butler, and the identical twin brother of Dash. They first appeared with Henry in Shut Up And Eat Your Bologna, however they have been mentioned several times throughout the series, and their first mention was in Pilot. They also appear in a photo with Gemma as her phone's wallpaper. They have red hair, just like Gemma. Their names were revealed in If You're Just An Evil Bitch Then Get Over It, when Henry comes home calling out for them. Tim Arbogast calls child services and reports Henry as an unfit parent. They are then taken and live at Gemma's dad's house.
Dash and Becks appear in a photo with Henry, as well as one of them appearing photographed alone.