Samer el Nahhal (born 11 July 1975, Espoo, Finland) is the former bassist of the Finnish hard rock band Lordi. He went by the stage name of Ox (stylised with both letters capitalized). He studied in Musicians Institute in Los Angeles.
He announced on March 14, 2019 that, following the summer festivals that year, he would be departing from Lordi. He has since become an independent musician under his real name.