That Time I Got Reincarnated as a Slime is one of anime’s most popular modern isekai, with its blend of monster evolution, fantasy politics, and heartwarming alliances drawing in fans around the world. At ASP25, we’re celebrating the series with two voice actors who help bring depth and dimension to Rimuru’s ever-growing circle of allies.
Tyson Rinehart voices Ranga, the powerful Direwolf who becomes Rimuru’s loyal companion and battlefield commander. From his dramatic entrance to his evolving role as a protector of Tempest, Ranga is one of the series’ most enduring and beloved non-human characters. Tyson gives Ranga a balance of nobility and ferocity that makes every scene hit with emotional weight—whether he’s charging into battle or quietly standing guard at Rimuru’s side.
Ben Stegmair plays Aslan, a Dragonewt serving under Gabiru. Though not a central character, Aslan adds unique energy and support to the Tempest ranks and contributes to some of the series’ more humorous and dynamic group scenes. Ben’s performance brings a sharp, dependable presence to the role, rounding out the diverse cast of personalities that make Tempest feel alive.
With Slime popularity spreading, now’s the time to revisit the world of Rimuru Tempest—and meet the voices who helped shape it. From front-line fighters to loyal squad members, ASP25 gives fans the perfect chance to celebrate this ever-expanding fantasy universe. Meet the voice actors and get snaps and signatures.
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