4. What is the only enemy from the original "Super Mario Bros." to NOT appear in "Super Mario Bros. 3"?
From Quiz Let's Play 40: "Super Mario Bros. 3" Part 2
Answer:
Firebar
"Super Mario Bros." had the following enemies: Blooper, Bullet Bill, Buzzy Beetle, Cheep-Cheep, Firebar, Goomba, Hammer Bros., Koopa Paratroopa, Koopa Troopa, Lakitu, Piranha Plant, Podoboo, Spiny, and Spiny Egg. In addition, "Super Mario Bros." also featured two bosses, Bower and "Fake Bowser". The entire enemy roster from the original game was used for "Super Mario Bros. 3" with the sole exception of the Firebar.