Rocco Kayiatos, known professionally as Katastrophe and in some later releases as Rocco Katastrophe, is an American rapper. Based in the San Francisco Bay Area, he began competing in poetry slams in 1997. After winning the 1998 Youth Speaks poetry slam, he went on tour with Sister Spit's Rambling Road Show tour. As a teenager, Kayiatos had poems on four compilation CDs. He is widely credited as the first openly transgender singer in the hip-hop genre and he often incorporates his identity as a trans man into his work.