Vader is a Polish death metal band from Olsztyn. Formed in 1983, the group was founded by then-bassist Piotr "Peter" Wiwczarek and guitarist Zbigniew "Vika" Wróblewski. Vader went through several lineup changes over the years, with Wiwczarek as the only constant member. Since 2022, the band has comprised Wiwczarek on lead guitar and vocals, rhythm guitarist Marek "Spider" Pająk, bassist Tomasz "Hal" Halicki, and drummer Michał Andrzejczyk.

Tomasz Halicki is a Polish musician. He has played with such bands as Stygmat, Via Mistica, Diseased and Dead Infection. He currently plays in Abused Majesty, Hermh, Evil Machine and Vader.