Frost made his live debut at 15 years of age.

Donald made his debut at 19 years of age.

He started making robots at about 11 years of age.

He holds the record as the youngest ever player in the league, having made his debut at 15 years 209 days.

In June 2010, she made her debut for Canada's senior team at just 18 years old.

He made his debut in this movie at 14 years of age.

House made his debut in 1950 at 20 years of age.

This made him, at 24 years of age, the fifth youngest player, and second sophomore to have won the individual award.

He was also Australia's youngest senior team player, making his debut at 16 years of age.

He made his debut against Croatia in the 2-0 loss at 29 years of age.