Marley earned the title Tuff Gong for his fierceness as a streetfighter. 'Gong' was also the nickname of the early Rastafarian leader Leonard Howell. The nickname's significance was further reinforced by the fact that in some Rasta settlements it is customary for a convert to strike a gong hanging at the entranceway to announce his first step into the fold. - From "Catch a Fire"
Uncle Bob was the one and only Tuff Gong