Billy Corgan of Smashing Pumpkins —
Smashing Pumpkins frontman Billy Corgan, right, formed the band in Chicago with guitarist James Iha in 1988. Their breakthrough second album "Siamese Dream" made the band famous, charting at No. 10 on Billboard's Top 200. Smashing Pumpkins went on to sell 20 million albums and win two Grammy Awards. After breaking up in 2000, the band reformed in 2006. Bassist Nicole Fiorentino, left, joined the band in 2010.