Ue-chan was born on April 15, 1980 and is currently 43 years old.
Daisuke-han was born on September 13, 1977 and is currently 45 years old.
Nao was born on December 16, 1975 and is currently 47 years old.
Maximum the Ryo-kun was born on December 13, 1978 and is currently 44 years old.