Suggestions by @andrewlaposha

Steve Lawrence

as Panelist #1 in The Masked Singer Season 4 (1974)

Score: +1

Dick Clark

as Host in The Masked Singer Season 4 (1974)

Score: +1

Tony Bennett

as Banana in The Masked Singer Season 3 (1974)

Score: +1

Candice Bergen

as Swan in The Masked Singer Season 3 (1974)

Score: +1

David Cassidy

as Astronaut in The Masked Singer Season 3 (1974)

Score: +2

Buddy Hackett

as Llama in The Masked Singer Season 3 (1974)

Score: +1

Joe Namath

as White Tiger in The Masked Singer Season 3 (1974)

Score: +1

Tatum O'Neal

as T-Rex in The Masked Singer Season 3 (1974)

Score: +1

Peter Marshall

as Taco in The Masked Singer Season 3 (1974)

Score: +1

Ethel Waters

as Mouse in The Masked Singer Season 3 (1974)

Score: +1

Nancy Reagan

as Bear in The Masked Singer Season 3 (1974)

Score: +1

Vicki Lawrence

as Kitty in The Masked Singer Season 3 (1974)

Score: +1

Lena Horne

as Miss Monster in The Masked Singer Season 3 (1974)

Score: +1

Helen Reddy

as Kangaroo in The Masked Singer Season 3 (1974)

Score: +1

Chuck Berry

as Robot in The Masked Singer Season 3 (1974)

Score: +1

Evel Knievel

as Elephant in The Masked Singer Season 3 (1974)

Score: +1

Mickey Mantle

as Rhino in The Masked Singer Season 3 (1974)

Score: +1

Sammy Davis Jr.

as Frog in The Masked Singer Season 3 (1974)

Score: +1

Ricky Nelson

as Turtle in The Masked Singer Season 3 (1974)

Score: +1

Aretha Franklin

as Night Angel in The Masked Singer Season 3 (1974)

Score: +1