1. His office was in a toilet.
2. He hung around with kids (mostly students) much younger than himself.
3. His mode of transport was a motorbike.
4. He wore a leather jacket - the known uniform of both Hell's Angels and the Ramones who all knew a little something about drugs.
5. He lived above a garage which could quite easily be used to process and parcel his gear.
6. Every time he came into Albert's all the kids went 'Heeeeyyy' with an unusually keen grin.
7. The programme's theme tune suggested a seven-days-a-week feeling of euphoria.
8. Many of the kids in the hamburger joint wore cardigans or baseball jackets with their drug of choice displayed on the front of them in the form of giant letters. Some wore E, others C and one even boldy fronted a big H.
9. The action took place in a hang-out with a band - most bands take drugs.
10. The action took place in a hang-out with a kitchen, most short-order chefs take a little something to keep them awake.
11. Fonzie's surname, Fonzarelli, was Italian-American. Have you never seen Goodfellas?
12. Stick the word 'mon', a phrase often used by Jamaican drug dealers (see The Harder They Come) and Scottish smack addicts (Trainspotting) into the title of Fonzie's show and you have Happy Mondays - what further proof do you need?