T. Axelrod is the professional alias of American voice actor Taliesin Jaffe, a prominent figure in the field of English anime dubbing and video game voice acting. He began his entertainment career as a child actor in the 1980s, appearing in live-action films such as Mr. Mom and 2010: The Year We Make Contact, as well as television series like The Facts of Life. He transitioned to voice acting in his late teens, finding his niche in anime localization.

Jaffe is known for using several variations of his maternal family name, Axelrod, for his voice acting credits, including T. Axelrod and Talis Axelrod. In this capacity, he has accumulated an extensive list of anime credits spanning decades. A notable example of his work under the T. Axelrod name is the role of Sir Arthur Conan Doyle in the English dub of the Black Butler: Book of Murder OVA. Other significant anime roles include Ryuji Kitayama in R.O.D the TV, various characters in Hellsing and Hellsing Ultimate, Basil Hawkins in One Piece, and Eizen in Tales of Berseria.

Beyond acting, his career includes significant work in voice direction and screenwriting, having co-directed the English adaptation of Beck: Mongolian Chop Squad. He has also been a prolific voice in the video game industry, frequently voicing the character of the Flash in titles like Injustice 2 and Mortal Kombat vs. DC Universe, as well as Blanka in the Street Fighter series.

A recurring and highly notable aspect of his recent career is his involvement with Critical Role, a popular web series where he and other voice actors play Dungeons & Dragons. As a core cast member, he has portrayed several memorable characters, including Percival "Percy" de Rolo in the first campaign and Caduceus Clay in the second. This collaboration has led to other achievements, such as reprising his role as Percy in the acclaimed animated series The Legend of Vox Machina, for which he also serves as an executive producer. His work with the Critical Role cast has been recognized with awards, including a Webby Award for the series.