That Time I Got Reincarnated as a Slime Characters

Complete guide to all 6 characters in That Time I Got Reincarnated as a Slime — main cast, supporting roles, and antagonists. Each character page includes voice actor info, abilities, first episode appearance, and community fan ratings.

Filler List Watch Order Powers & Abilities News & Updates

Main Characters

R

Rimuru Tempest

Main · Ep 1
VA: Miho Okasaki

A reincarnated slime who becomes a demon lord and builds the nation of Tempest.

Supporting Characters

G

Great Sage

Supporting · Ep 1

Rimuru's analytical skill that evolves into an independent AI-like intelligence.

S

Shion

Supporting · Ep 8
VA: Mao Ichimichi

An ogre warrior who becomes Rimuru's secretary and one of his strongest fighters.

B

Benimaru

Supporting · Ep 8
VA: Makoto Furukawa

The most powerful of the ogre warriors who serves as Rimuru's general.

M

Milim Nava

Supporting · Ep 19
VA: Rina Hidaka

One of the oldest and most powerful demon lords who befriends Rimuru.

D

Diablo

Supporting · Ep 38
VA: Takahiro Sakurai

An ancient demon who submits to Rimuru and becomes one of his most loyal retainers.

⚠️ Character information is collated from multiple sources and may contain inaccuracies.