Question: how old are boston and brock?
Answer: Brock Mikesell (born: May 20, 2004 (2004-05-20) [age 16]) and Boston Mikesell (born: May 20, 2004 (2004-05-20) [age 16]), better known online as Brock and Boston is an American YouTube duo, joined on June 16, 2016.