Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Oroku Saki, better known as the Shredder, became the Laughing Man, aka Giggles, after merging with none other than the Joker himself.
Source: https://www.cbr.com/batman-tmnt-crossover-deadly-villains-dc-idw/