Alas, the commercial cannot be found.
The Bananaman lives on, however, thanks to the Captain.
Evian Water
https://www.youtube.com/watch?v=pfxB5ut-KTs
The modern one I find hilarious lately is the Geico “words can actually hurt you” ad.
http://www.youtube.com/watch?v=kCysb4_-4jU
And then there are the ads that stick in your head out of sheer silliness, like this one:
Lots of good ones mentioned.
The SmartBeep Blind Date commercial always makes the lists:
http://www.youtube.com/watch?v=epjrWjo9ZMY
I grew to like the Budweiser “Whassup” commercials. The folks at work had a lot of fun with them. One of my favs was the Wasabi version:
http://www.youtube.com/watch?v=mZk7-1uGmc4
The Breakstone’s commercials with Michael Vale (better known as the ‘Time to Make the Doughnuts” guy), as Sam Breakstone
https://www.youtube.com/watch?v=gstcwEvfaj8
I believe the following is the best, all-time commercial.
Alka-selzer “...poached oysters!”
https://www.youtube.com/watch?v=NLQYKCJ9zQ8
Dustin Hoffman for Volkswagen, back in the Fifties/Sixties, before The Graduate.
“Let me try, boss. I always wanted to fix a transmission.”
And
The sweating guy on the FEDEX commercial.
And the etrade baby.
It is very effective in introducing the company and giving it a positive impression.
“Sausages!”