1) Comic book sidekick 2) Nonconformist 3) Unconventional sort 4) Uninhibited one 5) Uninhibited sort 
[Hermon Hitson song] `Free Spirit` is a 1966 song by blues session player Hermon Hitson (Philadelphia, 1943) which was mistakenly released as the title track of two albums of bootleg Jimi Hendrix recordings. The title track of both Free Spirit bootleg albums, and other songs recorded in the same sessions, contain contributions by Lonnie You...
a person with a highly individual or unique attitude, lifestyle, or imagination; nonconformist.