The Trans Hydra, often referred to as the Gender Ideology Hydra, is a political cartoon-style meme used to visualize the perceived complexity and rapid expansion of modern gender theory. It typically depicts a mythical Hydra where each head represents a different concept, such as neopronouns, medical transition, or specific social policies, being confronted by a figure representing traditional values or logic. The meme's meaning stems from the Lernaean Hydra myth, suggesting that as soon as one argument or 'head' is countered, several more emerge to take its place. It is frequently utilized in online debates across social media to critique the multi-faceted and evolving nature of contemporary identity politics.