Aidan Gallagher

Aidan Gallagher is an American actor and musician best known for playing “Number Five” in Netflix’s The Umbrella Academy. Alongside his screen work, he is a vocal environmental advocate and often links everyday choices to the climate and pollution crises.

Gallagher is vegan and has described choosing the lifestyle after learning more about animal agriculture and its impact on the planet. He has explained that his journey began with Meatless Mondays at home, which grew into a vegan challenge, before becoming a permanent change. For Gallagher, veganism is about aligning actions with values and using his platform to encourage kinder, more sustainable living. He has also highlighted the huge resources tied up in animal-based foods, pointing out that removing high-impact products from our plates can create meaningful change.

By sharing vegan messages with a global audience, Gallagher helps normalize plant-based living for young people and shows that you can be passionate, active and ambitious while keeping compassion at the center of your choices.