What 10 year old provided the voice of title character Junior Healy in the USA Network's animated series "Problem Child", and was replaced by  Blake Ewing during its 5th season?
Blake McIver Ewing: " during its 5th season (replacing Benjamin Diskin, Jarrett Lennon and Christopher Castile). Benjamin Diskin:  In 1993, when he was 10 years old, he provided the voice of title character Junior Healy in the USA Network's animated series "Problem Child".
Benjamin Diskin