WÖYH! is a prog group founded by Hyyrynen's brothers Juss (YUP) and Antti (Stam1na) in 2011, which has released five albums so far on its Kaskelotti Records label - Ikkilyk (2013), Dwzyrek (2015), KRTKRTK (2017) and IV (2021). The latest album "Tähti" was released start of the 2023.
Among the band's productions, e.g. the following songs: Lokki, Hieho, Kaskelotti and Kamppailu Merellä.The band also includes Antti Pitkäjärvi (keyboards, vocals) and Anssi Nykänen (drums).