Timothy Wayne Alexander, also credited as "Herb" Alexander, is an American musician best known as the drummer for the rock band Primus. Alexander has been in the band across three stints; he initially left the band in 1996 and rejoined in 2003 before leaving again in 2010 and re-joining in 2013. Alexander has played in several projects with Tool frontman Maynard James Keenan including the bands Puscifer and A Perfect Circle. He earned the nickname "Herb" from his Primus bandmates after carrying a fanny pack full with herbs like ginseng that he would distribute.

Primus is an American rock band formed in El Sobrante, California in 1984. The band is currently composed of bassist/vocalist Les Claypool, guitarist Larry "Ler" LaLonde, and drummer Tim "Herb" Alexander. Primus originally formed in 1984 with Claypool and guitarist Todd Huth, later joined by drummer Jay Lane, though the latter two had departed the band by the beginning of 1989, and were replaced by LaLonde and Alexander respectively.