Ramiel is the Fifth Angel in Neon Genesis Evangelion, a vast floating octahedron that attacks with a piercing beam rather than a human form. Fans turned its eerie, siren-like cry into a joke about screaming geometrically, because the sound feels both mathematical and alive. Clips of the scream circulate on soundboards, in anime edits and in reaction videos, where the contrast between the clean geometry and the distorted wail makes an ordinary scene feel suddenly alien. Its lasting appeal comes from that instantly recognisable Evangelion strangeness.