It featured Shoeshine Boy, who turned into the heroic Underdog whenever his love interest, Sweet Polly Purebred, was under duress from villains like Riff Raff and Simon Bar Sinister.

The canine superhero, voiced by comic actor Wally Cox, also battled villains including mad scientist Simon Bar Sinister, and a gangster wolf Riff Raff.

As for the flick, Sonic the Hedgehog is a live adaptation of one of the most popular video game characters of the 1990s. The movie will arrive in theaters on Nov. 15, 2019.

William Watts Biggers, the co-creator of the cartoon "Underdog," about a mild-mannered canine superhero, was 85 when he died unexpectedly in Plymouth, Massachusetts.

The canine superhero, voiced by comic actor Wally Cox, also battled villains including mad scientist Simon Bar Sinister, and a gangster wolf Riff Raff.

The canine superhero, voiced by comic actor Wally Cox, also battled villains including mad scientist Simon Bar Sinister, and a gangster wolf Riff Raff.

The canine superhero, voiced by comic actor Wally Cox, also battled villains including mad scientist Simon Bar Sinister, and a gangster wolf Riff Raff.

The canine superhero, voiced by comic actor Wally Cox, also battled villains including mad scientist Simon Bar Sinister, and a gangster wolf Riff Raff.

The canine superhero, voiced by comic actor Wally Cox, also battled villains including mad scientist Simon Bar Sinister, and a gangster wolf Riff Raff.