3D Model: John The Apostle, Elderly Biblical Figure (65-75 Years Old). Kind, Wise Expression With Gray/white Beard And Shoulder-length Hair. Weathered But Peaceful Face, Warm Contemplative Eyes. Biblical-era Robes In Earth Tones (brown, Tan, Cream), Simple Tunic Underneath, Rope Belt, Sandals. Standing Pose, Arms At Sides, Facing Forward. Approachable Grandfatherly Appearance Suitable For Religious Education App. TECHNICAL: Mobile-optimized 4,000-8,000 Triangles, 1024px Textures, .glb Format Preferred (.obj Backup). Separate Jaw Geometry For Speech Animation. Realistic But Stylized For Mobile Rendering. Model Height ~2 Units, Centered At Origin, Facing Negative Z-axis. PBR Materials With Diffuse, Normal, Roughness Maps. Clean Topology Suitable For Real-time Animation On IOS Devices.