Dynomutt

Dynomutt is a good-natured but bumbling robotic dog who serves as the mechanical sidekick to the crime-fighting Blue Falcon. Built with an seemingly inexhaustible supply of retractable gadgets, extendable limbs, and built-in tools, he deploys them with more enthusiasm than precision.

Half mechanical marvel, half lovable goofball, Dynomutt burst onto the Bronze Age comics scene in 1977's Scooby-Doo #1 from Marvel, joining one of the most beloved rosters in Hanna-Barbera funny-animal history — sharing pages with Scooby-Doo, Yogi Bear, Huckleberry Hound, Quick Draw McGraw, and Mumbly. With a nearly five-decade publishing footprint stretching from 1977 all the way to 2026 and a home across titles like Laff-A-Lympics, Scooby-Doo, and The Flintstones, this canine contraption has proven far more enduring than any comic sidekick has a right to be. Two of his appearances carry key-issue status, making him a genuinely worthwhile target for collectors who appreciate the warm, chaotic charm of the Bronze Age cartoon-comics crossover era.