Bierßen (Beer + Prussia)
You’ll find him in festivals. He likes to make people drink beer that he’s already taken a sip from.
Saunaland (Sauna + Finland)
You’ll find him in saunas, and he likes to make the effective temperature* really high by pouring water over hot rocks non-stop.
*T/N: Effective temperature is a measurement of the combined effects of temperature, humidity, and air movement on the sensation of warmth/cold felt by the human body.