Answer:

KOOL

Answer	Crossword Clue
KOOL	..-Aid
KOOL	Leader of a musical Gang
KOOL	The Gang's leader

KOOL	Minty smoke
KOOL	Menthol cigarette brand
KOOL	Aid lead-in
KOOL	Newport competitor
KOOL	Menthol cigarette
KOOL	Smoke with menthol
KOOL	Rapper .. Moe Dee
KOOL	Singer with "The Gang"

KOOL	Gang leader
KOOL	Leader of The Gang
KOOL	Gang leader?
KOOL	Cigarette brand
KOOL	Leader of a musical "Gang"
KOOL	.. and the Gang (rock band)
KOOL	.. Moe Dee (rap artist)
KOOL	Salem competitor

KOOL	Newport rival
KOOL	... Moe Dee (rapper in the Treacherous Three)
KOOL	...-Aid
KOOL	Nickname of "Celebration" bassist Robert Bell
KOOL	... and the Gang (rockers)
KOOL	Camel rival
KOOL	Leader of the Gang, in 70's-80's music
KOOL	Brown and Williamson brand

KOOL	Gang leader of 70's-80's music
KOOL	Marlboro alternative
KOOL	Brand of smokes
KOOL	Marlboro competitor
KOOL	R.J. Reynolds brand
KOOL	Brand at a checkout counter that's also the name of a Phoenix radio station
KOOL	Leader of a musical "gang"
KOOL	Noted gang leader

KOOL	Brand name whose middle two letters are linked in its logo
KOOL	Gang leader of the 70s and 80s?
KOOL	-- -Aid
KOOL	-- -Aid (drink mix)
KOOL	Singer with a gang