A History of Short Words

From the New York Times Crossword Puzzle

ERNIE

Sun, 24 Sep '23
"Dance Myself to Sleep" singer on "Sesame Street" (watch the video on YouTube!)
Thu, 25 May '23
Saxophone-playing Muppet
Mon, 2 Jan '23
Muppet who loves his rubber duckie
Sun, 20 Feb '22
Shorter roommate of 14-Across
Tue, 25 Jan '22
Bert's buddy on "Sesame Street"