Mack and Dad may remember me making mention of this band before. This Australian trio names amongst its top influences Led Zeppelin, Deep Purple, The White Stripes, Jimi Hendrix, and Electric Mayhem (that's right, the Muppet rock band, though I'm not sure they were being entirely serious). Indeed, the influence these bands have had on Wolfmother is evident in much of their work. The first time I heard their song "Woman" on the radio, I thought for sure it was Led Zeppelin. At the same time "Joker and the Thief" sounds very much like The White Stripes. Throughout it all, however, once one is familiar with Wolfmother, their sound is distinct enough that it is very difficult to mistake them for anyone else.
Their lyrics, likewise, reflect Wolfmother's influences. "Woman"'s lyrics sound very much like lyrics Led Zep would have written. "Dimension" reflects the work of Deep Purple. Many of their songs have the sort of psychadelic sort of qualities that Jimi Hendrix regularly used. The subject however, is not so overtly drug-related as some Hendrix' songs and more about women and some rather fantastical stories.
Dad and Mack, I highly recommend Wolfmother. Brian, You would probably like portions of their work. These guys are really good.