Hisao Egawa is a Japanese voice actor and narrator born on September 13, 1962, in Tokyo, Japan. He is affiliated with the talent management firm Aoni Production and is a graduate of its associated training school, Aoni Juku. Egawa began his career in the early 1990s and has since built a substantial body of work, becoming a familiar presence in Japanese animation.

Egawa's voice is characterized by a robust and intense quality, which has made him a frequent choice for roles requiring strength, villainy, or a commanding presence. He is often cast as powerful, hot-blooded characters as well as cold-blooded antagonists, establishing himself as a notable supporting actor in the industry. His extensive filmography demonstrates a career largely focused on anime, though he also contributes to video games and live-action tokusatsu series as a voice actor for characters and monsters.

Among his most recognized performances are several long-running and iconic series. He voices Shinichi Maki in the classic basketball anime Slam Dunk and Killer Bee in Naruto Shippuden. In the Digimon Adventure franchise, he is known for the roles of Ogremon and Mugendramon. He has also had a longstanding association with the One Piece anime, providing the voice for the Fish-Man karate practitioner Kuroobi. In the realm of video games, Egawa is the voice of the legendary pilot Falco Lombardi in the Star Fox series.

Many of the specific roles listed in the query are confirmed entries in his filmography. These include Shinobu Nakamachi in Karakuri Circus, Beevee Risker (Biivii Risukaa) in Fairy Gone, Keishin Ukai in Haikyu!! To The Top, the Salamander in Super Crooks, Gatlin in World Trigger, Aeatola in KING’S RAID: Successors of the Will, Vaux in Dorohedoro, and August Samuel Wahlen in both iterations of Legend of the Galactic Heroes: Die Neue These.

The query also lists several roles from older and classic series that are part of Egawa's extensive career. He played Cao Hong (Sou Kou) in Sōten Kōro, Blocks in Kinnikuman Nisei - Ultimate Muscle, Doubling in Black Jack: The Two Doctors Of Darkness, Zanagul in Bōken Yūki Pluster World, and Glave (Glaive) in Kirakira Precure a la Mode. His involvement in the Brave King GaoGaiGar series is extensive, voicing characters such as Geki Hyuuma (also listed as Genki Hyuma) and Goldy Marg across multiple iterations of the franchise, including the original series and the Final OVAs. Other confirmed roles from the list include Kagetora in Kenyū Densetsu Yaiba, Kani Saizo Yoshinaga in Shinshaku Sengoku Eiyū Densetsu - Sanada Jū Yūshi The Animation, and Jackshot in Transformers: Cybertron.

In 2016, Egawa took on the role of Keishin Ukai in the popular sports anime Haikyu!!. He succeeded the role following the passing of the character's original voice actor, Kazunari Tanaka, a notable moment in his career.