Shikamaru, Asuma, Gamabunta, The Third Hokage, Killer B, Darui, Shikaku Nara, and Zabuza Smoke
The Ramen guy, Tonton, and Sai smoke REAALLLY GOOD (they don't ever open their eyes)
Suigetsu smokes (he carries water constantly, need to pass drug tests)
Naruto part 1 (ADHD MEDS) Naruto part 2 (Speed)
Raikages are on Steroids and Crack
Sasuke part 1 (anti depresents) after itachi infinite Tsukiyomi
Sasuke part 2.. alot
Juugo... instant cocain when curse mark mode
Nagato does Meth and Crack
Orochimaru and Kabuto make the drugs
Shino and abarame clan distribute
Zetsu's made of opium
Madara is a hippy, heck his plan is even hippy like "World Piece" "Infinite Illusion".. he's trippen on Shrooms, Droppin Acid, and Smokin weed
Obito antidepresents
Kakashi heroine
Guy and lee crack
Lee and Sakura Drunks....
the list goes on and on