Professor Supermind and Son

"Professor Supermind and Son" was a comic book feature that appeared in issues 60-71 of Dell Comics' Popular Comics publication. Professor Warren (Supermind) used his energy machine to give his son, Dan, superhuman powers, including super strength, invulnerability, and the ability to fly. With these powers, and his father's other inventions, Dan Warren fought criminals and Nazis.

having taken legal action against Dell, as they did against some other publishers of characters closely modeled after Superman.