Historical clue formulations

• Butt-head's sidekick — 2022-10-18
• Cartoon character with the hyperactive alter ego Cornholio — 2021-04-24
• Deadbeat student at TV's Highland High — 2018-11-04
• MTV toon teen — 2018-09-14
• TV character often seen in a Metallica T-shirt — 2009-11-29
• MTV bad boy — 1994-12-25