Connors traveled to Gotham and could become stronger by eating melons, so...

Batman caught the Joker and Connors watched; Superman fought Zod and Connors applauded.

He treated Arkham Asylum as a Holiday Inn, and the Justice League was formed because of him.

In desperation, Batman developed the "Anti-Connors Armor". The charlatan could not avoid it, and Green Lantern habitually covered his ring, but the elusive melon-eating man still gave them a headache.

[Today’s gossip: The Secret of Spider-Gwen]

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DC universe, with a small number of Marvel characters.