-Master Roshi was 307 years old when Goku was born. -Master Roshi began to go perverted at 123 years old, when he began buying porno magazines. -Grandpa Gohan was 79 years old when he found Goku in the forest. -Krillin is 1 year older than Goku. -Bulma, Yamcha, and Tien are 4 years older than Goku. -Bulma was 16 years old when she met Goku. -Trunks was 8 at the beginning of the Buu Series. -Goten is 1 year younger than Trunks. -Pan was 5 years old when Dragonball Z ended. -Pan was 14 years old at the beginning of Dragonball GT. -Bra was 4 years old when Dragonball Z ended. -The first Tenkaichi Budoukai was held 87 years before Goku was born. -Gohan was 4 when he was first introduced, not 5 and a half like what the American dubbed version of Dragonball Z said. -He trained under Piccolo for one year, then went to Planet Namek for one year. -When Future Trunks arrived, Gohan was 7. -In the Cell Series, Gohan trained for three years in preparation of the androids. At 10, he trained for another year in the Room of Spirit and Time in Sky Palace. At age 11, Gohan killed Cell. -Gohan entered Orange Star High School at the age of 18. -Dende was 5 years old when he first appeared. -Kami was over 900 years old when he fused with Piccolo. .