There are 4 artists named Cookie:

1) Cookie is a female‑fronted cowpunk power‑trio from San Jose, California. Formed in 1995 and relocating to Seattle, they have since released two albums; All Hell Can't Stop Us (1999, Last Chance Records) and Sweat Soaked & Satisfied (2002, Infect Records), both produced by multi‑platinum alternative producer Conrad Uno (The Presidents of the United States of America, Zeke, Supersuckers, Mudhoney) as well as a multitude of exclusive compilation appearances. The band are temporarily taking time off from touring whilst they currently enjoy working on their oldschool country side‑project, Heartbreak USA.
http://www.cookiefactory.com
http://www.myspace.com/heartbreakusa

2) Cookie is a grime artist from London, UK. He has one EP, The Recipe released in 2010.

3) Bojan Kukic, also known as cookie, is a DJ from Serbia, born in Vrsac in the year 1987. Bojan grew up listening to various genres of music, but mostly rock and roll, influenced by his father. During his teenage days he began listening to house music, and at the end of high school he goes to the his first major party, his first EXIT festival, which was crucial in his musical development. Passing through the various genres of electronic music, he liked progressive house and tech house the most, and has a great passion for techno. Today, Bojan is a part of Music Planet Team and resident DJ in a local club "Time 4 Us”, but also collaborates with other local DJs, as a member of the Association VS DJ Syndicate. Successful as a student, soon he will graduate as IT Major, thinking which way to go in the near future.

4) Cookie is a four piece girl group from the UK who toured with Girls Aloud in 2005 and released their first single «Do It Again» which was a Top 40 hit.