Joachim Nielsen (September 8, 1964 - October 17, 2000), better known as Jokke, was a Norwegian rock musician. He was the frontman of Norwegian rock band Jokke & Valentinerne, the brother of cartoonist Christopher Nielsen (and son of the artist John David Nielsen). Jokke & Valentinerne (in English Jokke and the Valentines) were formed in 1982 consisting of Nielsen on guitar and vocals, his long time partner May-Irene Aasen on drums and Håkon Torgersen on bass.