His bike is Matilda .
Nada ( c. 1947 - 1970 ) - the joker , a wild - eyed , drug - rattled orangutan with a smile as sharp as his blade , and Johnny 's best friend .
Johnny 's bike is Matilda .
Nada ( c. 1947 - 1970 ) - the joker , a wild - eyed , drug - rattled orangutan with a smile as sharp as his blade , and Johnny 's best friend .