dop·pel·gäng·er or dop·pel·gang·er 
(dŏpəl-găng′ər, -gĕng′-)
(dŏpəl-găng′ər, -gĕng′-)n.
1. A ghostly double of a living person, especially one that haunts its fleshly counterpart.
2. Either of two people who physically resemble each other very much.
[German, a double : doppel, double (from French double; see DOUBLE) + Gänger, goer (from Gang, a going, from Middle High German ganc, from Old High German).]
- Richard Brinsley
- Richard Bruce
- R(ichard) Buckminster
- Richard Douglas
- Richard D'Oyly
- Richard Errett
- Richard Evelyn
- Richard Francis
- Richard Harding
- Richard Henry
- Richard Henry
- Richard I
- Richard II
- Richard III
- Richard Jenkins.
- Richard John
- Richard Jordan
- Richard Joseph
- Richard Milhous
- Richard Morris
- Richard Nathaniel
- Richard Neville.
- Richard Phillips
- Richard Purdy
- Richard Roe