John Doe—
1. the name given to an ordinary or typical citizen:
- The only information that any John Doe leaves behind is what they choose to leave behind.
2. (legal) used as a name to designate an unknown or unidentified man:
- According to the report, the corpse, a John Doe, was found with no clear cause of death.
Richard Roe—(legal) used as a name to designate an unidentified man, especially the second of two such persons:
- It was a matter material to said trial to determine whether or not John Doe had ever made a loan of money to Richard Roe.