Pokémon is literally a jack of all trades. Obviously they have an extremely successful videogame franchise. They have an anime series that's been running for over 20 years and is still going strong , hell it still trends on twitter every once in a while. Detective Pikachu was their first attempt at live action but they have a strong box office presence before that as well with the anime films. The card game is still incredibly popular to the point that some sets are really hard to find. Plus their toys/ plushies are always best sellers too.
WTF is "loudest" supposed to mean? You can make ANTHING "loudest" or "least loud" with your volume control. There are supposed to be industry standards in place so everything is "equally loud" so you aren't setting the volume at 60 for one game or movie while having to switch the volume setting to "28" for some other game or movie.