Short answers, pulled from the story.
Lloyd Kaufman and Michael Herz founded Troma Entertainment and chose the name in the mid-1970s as a deliberate rejection of polished corporate names. They selected the word Troma because it was the ugliest sounding word they could possibly imagine.
Troma Entertainment released The Toxic Avenger in 1984 and it became their most popular work and official mascot. The film spawned multiple sequels and an animated television program while establishing the character Toxie as the face of the company.
Oliver Stone made his acting debut in The Battle of Love's Return in 1971 and Paul Sorvino appeared in Cry Uncle! the same year. The studio roster also included Vanna White, Kevin Costner, J. J. Abrams, Vincent D'Onofrio, Billy Bob Thornton, Samuel L. Jackson, Trey Parker, Matt Stone, James Gunn, and Michael Jai White.
Troma Entertainment launched the Tromadance Festival in 1995 and it is currently held at The Mahoning Drive-In Theater in 2020. The event originally took place in Park City, Utah, before moving to Asbury Park, New Jersey, and then New York City.
Most films made by Troma Entertainment take place in the fictional New Jersey city of Tromaville, known as the Toxic Chemical Capital of the World. This setting serves as the backdrop for the Toxic Avenger films, the Class of Nuke 'Em High films, and many other productions.
Troma Entertainment follows a self-imposed set of Rules of Production where the first rule is Safety to humans and the second rule is Safety to property. The third rule is to Make a good movie, which is listed in a smaller typeface as a distant third priority.