Historical clue formulations

• ___ the Frog — 2025-02-03
• ___ the Frog — 2022-02-14
• "It's Not Easy Bein' Green" crooner — 2019-07-14
• "The Muppet Show" host — 2018-03-28
• Miss Piggy's pal — 2008-08-13
• Green emcee — 2005-02-19
• "Sesame Street" frog — 1995-07-24