What is the name of the Alka-Seltzer mascot? August 5, 2020April 2, 2012 by Pamela Landy The Alka-Seltzer mascot’s name was Speedy, a puppet, who has been around since 1953. Related Answers Who was the original voice of “Speedy,” the Alka-Seltzer puppet? Who invented Alka-Seltzer? What was Chuckles the Clown’s sign-off line on “The Mary Tyler Moore Show” (CBS, 1970-77)? Who was the last emperor of China? Who was the head of the Vichy government in France during World War II? Who wrote The Adventures of Pinocchio (1883)?