Smashing Pumpkins perform onstage at the Double Door, Chicago, Illinois, March 5, 1995. Pictured are, from left, D'Arcy Wretzky, on bass guitar, Billy Corgan, on guitar, Jimmy Chamberlin, on drums, ...

Yes, the 1990s are now considered classic rock. Feeling old yet? Either way, these three bands defined that particular era of rock.

Here are five 1990s alternative rock bands that should've been bigger. With the introduction of Nirvana and Nevermind in 1991 ...