Daniel Welbat (born 7 May 1989 in Hamburg, West Germany), alias WellBad (coinage: Well+Bad), is a German blues rock musician and soundtrack composer.

He was 20 years old when he founded the label Blue Central Records with his cousin.

His models were Willie Dixon, The Black Keys, Eels and Tom Waits.

WellBad composed the soundtrack to the 2010 German film Vater Morgana.

He contributed to audio drama productions and music projects, worked as an actor and directed films and wrote screenplays for short movies.