Susumu Chiba, a distinctive voice in Japanese animation, has graced countless productions, making his roles instantly recognizable to discerning collectors. While his work in adult games and anime under the alias "Progress" might appeal to a niche audience, it's his prolific animated filmography that truly captures the attention of physical media enthusiasts. He's a veteran whose contributions often elevate beloved characters, making releases featuring his performances highly sought after. His roles in popular anime franchises often lead to multiple home video releases, from standard DVDs to limited edition Blu-rays, all coveting a spot on collectors' shelves. For fans of the long-running *Gintama* series, Chiba's contribution as Isao Kondou in films like *Gintama on Theater 2D: Baragaki-hen* (2023) makes these film adaptations essential additions. These cinematic extensions of popular television shows, often released with exclusive bonus features and stunning animation, are prime examples of the kind of content that dedicated collectors cherish, especially when brought to life by iconic voice talent like Chiba.