Evilone

12 clues
Fiend
Satan
Devil
Demon
Lucifer
Old Nick
Archfiend
Old Scratch
Satanic moniker
Prince of Darkness
Satan (with "the")
Old Scratch, with "The
Similar answers:
Abalone
Abalones
Abalonesandwich
Abalonetexas
Abardseyeview
Abbreviate
Abbreviated
Abbreviatedfilm
Abbreviatedword
Abbreviates
Abbreviating
Abbreviation
Abbreviations
Abbreviator
Abcletelevision
Abevigoda
Abirdseyeview
Abunchofbaloney
Achieving
Actalone