Complex sentence: Titles have appeared in the form of multiple television series and OVAs, movies, manga, novels, video games, and most notably, one of the biggest toy and hobby franchise in the Japanese toy industry.
Split into simpler sentences: Titles have appeared in the form of multiple television series and OVAs, movies, manga, novels, video games. The franchise has also led to the creation of one of the biggest toy and hobby franchises in the Japanese toy industry.