Temple of Divine Mother
Yes. "Galvan" is the species name; the individual alien is Grey Matter. The two terms are used interchangeably in game modding communities.
The Evolution of the Ultimate Fan Experience: Galvan Ben 10 The legacy of Ben 10 has long been defined by its diverse roster of aliens and the thrill of the Omnitrix. While official titles have explored various genres, a new frontier has emerged through the fan-made project known as . This open-world sandbox experience seeks to deliver the deep, immersive gameplay fans have craved for years, offering a level of freedom rarely seen in official releases. A Global Sandbox for Heroes
Because is a fan-made project and not an official Cartoon Network release, it is hosted on community-driven game platforms.