Krillin

-1 year older than Goku

-35 years old when Dragonball Z started

-49 years old when Dragonball Z ended

Goku

-14 years old when he first met Bulma

-1st World Tournament, Goku confesses that he was actually 12 years old and he didn't know how to count.

-12 years old when Dragonball started

-32 years old when Dragonball ended

-34 years old when Dragonball Z started

-48 years old when Dragonball Z ended

Trunks

-7 years old at beginning of Buu Saga

Goten

-6 years old at begining of Buu saga

Pan

-5 years old when Dragonball Z ended

14 years old at beginnning of Dragonball GT

Bra

-4 years old at the end of dragonballz

-12 years old at the start of dragonballgt

Dende

- 5 years old when he first appeared

Kami

-Over 900 years old when he fused with Piccolo

Gohan

-4 years old when he was first introduced

-Trained under Piccolo for 1 year

-Went to Planet Namek for 1 year

-7 years olde when Future Trunks arrived

-Trained for 3 years in preperation for the Androids

-10 years old, he trained in the Room of Time and Spirit for 1 years

-11 years old when he defeated Cell

-18 years old when he enter Orange Star High School

-28 years old when Dragonball Z ended