Historical clue formulations

• "I Love Lucy" neighbor — 2017-04-27
• Neighbor of the Ricardos on "I Love Lucy" — 2015-03-03
• Ricardo landlord, in 1950s TV — 2014-11-20
• - — 2014-10-05
• Old sitcom couple's surname — 2008-07-11
• 1950s sitcom family name — 2008-06-13
• Ricardo landlord — 2005-04-07
• Sitcom landlord — 2002-12-06
• Onetime TV landlord — 2002-02-17
• Fred or Ethel of "I Love Lucy" — 2002-01-16
• Ricardo's landlord — 2001-05-30
• "I Love Lucy" name — 1996-06-20