No doubt about it. ba da tssh. A-thank you.
As for iconic bands of the 90's? Well, allow me:
Radiohead
Alice In Chains
Smashing Pumpkins
Pearl Jam
Nirvana
Oasis
Green Day (Dookie rules)
Foo Fighters
Blind Melon
Bush
Sublime
Rage
R.E.M.
Soundgarden
Faith No More
Jeff Buckley
Kyuss
The Cardigans (I like them, eat a dick)
Beastie Boys
311
Manson
NIN
Tool
Creed (their first album is awesome)
Silverchair
The Verve
The Fugees
The Flaming Lips
The Black Crowes
Alanis Morissette
Nick Cave and the Bad Seeds
Garbage
Temple of the Dog
Hootie
Blues Traveler
Matchbox Twenty
U2 (I hate them, but still)
Chili Peppers
Candlebox
Sevendust
Prodigy
Collective Soul
White Zombie
Counting Crows
Dave Mathews Band
Butthole Surfers
Type O Negative
Gin Blossoms
And I quit. That list, for the most part, is alternative music. I didn't even get into solo artists and other genres.
edit: I don't know why I decided to create that list, but I grew up listening to a lot of these bands, nostalgia is fun.