harris was born in wichita, kansas. his father was a u.s. air force transport pilot. he moved with his family to littleton, colorado in 1993. klebold was born in lakewood, colorado. the pair met in middle school and became close friends. both have been said to have different personalities and be targets of bullying. harris was described as being more outgoing and charismatic. klebold has been described as being more quiet and shy.