Ryuichi Kosugi, born on July 5, 1973, in Kyoto, is a versatile Japanese actor and comedian renowned for his dynamic performances in the entertainment industry. As part of the popular comedy duo Black Mayonnaise, alongside Takashi Yoshida, Kosugi has captivated audiences with his unique tsukkomi style. His foray into film has made a significant impact, notably with his role in "Alice in Wonderland – Dive in Wonderland–" (2025), which has quickly become a sought-after title among collectors. This film stands out not just for its innovative take on the classic tale, but also for its limited physical media releases, making it a prized possession for avid fans of Japanese cinema and animation. Collectors are drawn to Kosugi's work for its blend of humor and cultural significance, along with the rarity of certain editions that highlight his contributions to the industry. As a rising star in both comedy and film, Ryuichi Kosugi continues to be a name to watch in the realm of physical media.