DOnt forget THree Mo' Tenors ,THree Irish Tenors, THree American Tenors. The choices are limitless. THree Mo' Tenors now go by the name of Cook, Dixon and Young because they got into a battle over the copyrighted use of the term Tenor!
here is a sample of their work though...
YouTube - Ah! Mes Ami Pour Mon Ame
This is Roderick Dixon singing a bit of Donizetti ...