Historical clue formulations

• Elmer's nemesis — 2025-12-17
• Bunny with a Brooklyn accent — 2025-07-30
• Creepy-crawlies — 2023-03-21
• Nickname of Looney Tunes animator Ben Hardaway — 2022-12-25
• Gets to — 2018-12-16
• Software issues — 2016-08-23
• Perturbs — 2012-05-23
• Program problems — 2004-06-02
• Vexes — 2002-10-31