Historical clue formulations

• Who says "Th-th-th-that's all, folks!" — 2020-09-15
• Looney Tunes character who says "Th-th-th-that's all, folks!" — 2018-03-05
• Cartoon character whose debut film was "Golddiggers of '49" — 2003-09-21
• "Th-th-th-that's all, folks!" speaker — 2002-10-08
• Character who debuted in "I Haven't Got a Hat," 1935 — 2000-01-15