Claim: Seal is a songwriter.

`` Killer '' is a song by British acid house producer Adamski . Written by Adamski and Seal and produced by Adamski , `` Killer '' was Adamski 's breakthrough single , but is now more notable for featuring Seal as a vocalist . A major hit in the UK , it reached number one , spending four weeks at the top of the chart in May and June 1990 . In total , the single sold over 400,000 copies in the UK , earning it a BPI Gold certification .