Literary villain, one requesting a lift across northern suspension bridge, heading for trouble

• Former Italian king
• When doubled, a literary lecher
• Literary character with the same first and last name

Wikipedia Word definitions in Wikipedia
Humbert or Hunbert (died 9 March 842) was the bishop of Würzburg from 833 until his death. Although he was resident in Würzburg from 815, Humbert seems to have been a suffragan bishop of the archdiocese of Mainz without a see of his own before he was appointed ...