Historical clue formulations

• Hutch occupant — 2021-12-30
• Whiz at multiplication? — 2016-02-06
• See 43-Down — 2013-02-18
• Hopper — 2011-10-14
• Peter ___ — 2005-11-27
• Cottontail — 2005-04-11
• One good at multiplying — 2005-03-31
• Cottontail — 2002-07-08
• Animal in a warren — 2000-08-23
• Item in a magician's hat — 1999-02-22