Oh I got it! The WORST commercials are:
No one outside of Toronto will know about this, so I'll describe it to you. There's this big fat guy, with long grey curly hair and glasses, and he dresses up in the worst costumes to get your attention...one in particular had him in a Superman spandex bodysuit, which in itself is enough to make you lose your lunch. He runs around the street helling with wads of cash in his hands...his slogan is Oh YEAH!
Torontonians, have you guessed who this guy is? That's right, it's RUSSELL OLIVER, the CASHMAN!
I BUY YOUR JEWELLERY! Oh YEAH!