Acid Drinkers are a Polish thrash metal band formed in September 1986 in Poznań. Acid Drinkers were formed on 21 September 1986 consisting of Tomasz "Titus" Pukacki (vocals, bass) and Robert "Litza" Friedrich (guitar, vocals). The band's style is thrash metal, with influences of heavy metal and hardcore punk. Acid Drinkers are rated as one of the most important bands in the Polish thrash and heavy metal world.

Source: Wikipedia (https://en.wikipedia.org/wiki/Acid_Drinkers)