Changmin:

Age: 25 (looks 21) 

Species: cyborg

Natonality: south korean

Position: technician, weapon maker 

Specialities: genious, computer expert

Yunho

Age: 27 (looks 25)

Species: half-ghost

Nationality: south korean

Position: medic, field agent

Specialities: shadowtraveling, invisibility when in ghost form

Jaejoong

Age: 579 (looks 26) 

Species: vampire 

Nationality: south korean. Born in China 

Position: team leader, field agent

Specialities: highened senses, highened speed and power, mindreading

Yoochun 

Age: 26

Species: human

Narionality: south korean

Position: sniper, field agent

Specialities: increased eyesight, perfect aim

Junsu

Age: 22

Species: human

Nationality: south korean, born in north korea

Position: martial arts specialist, field agent

Specialities: martial arts, acting