This is “Big Yellow Taxi” by Joni Mitchell:
3/9 Punch Buggy Hint
Also known by his civilian name Buddy Pine, Syndrome (seen here) turned evil when his former idol (Mr. Incredible) rejected his offer as a sidekick
3/3 Wissahickon Hint
Here is Doo-Wop (That Thing) by Lauryn Hill, an all-time banger:
3/2 Punch Buggy Hint
Here is a picture of 27th President William Howard Taft who, tipping the scales at 330 pounds (easily the heaviest president ever until maybe the last guy), allegedly got stuck in the White House bathtub:
3/1 Wissahickon Hint
Also pretending to be Tiger Woods and Don Cheadle, the Gang recognizes the actor pretending to be then-Eagles QB Donovan McNabb as “that guy from The Cosby Show who played” Alvin*, who was Sondra’s husband.
*It’s actually Elvin (Tibedeaux; played by Geoffrey Owens), but the characters from Always Sunny say Alvin so this hint should, too. I guess?