Oniichan
ロブロックス, ちびブロック体型, シンプルな丸い頭, クール顔, ツンツン茶髪, 頭にサングラス, グラフィックTシャツ, ジョガーパンツ, ハイカットシューズ, 脇にスケートボード

スパイキーオレンジ髪のちび少年、小さなドラゴンの翼、黒と赤のフレームアーマー

ロブロックス, ちびブロック体型, シンプルな丸い頭, 幸せ顔, 青い編み込み髪, 宇宙ヘルメット, パッチ付き宇宙服, ムーンブーツ, 旗を持つ, 探検者ポーズ

長いパープル髪のちび魔女少女、大きすぎる星飾りの魔女帽子、紫のドレス、星のステッキ

ロブロックス, ちびブロック体型, シンプルな丸い頭, 点の目, 笑顔, ツインテールのピンク髪, オーバーサイズパーカー, プリーツスカート, 厚底スニーカー, ピースサインポーズ

白いお団子ヘアのちび少女、未来的なシアンバイザー、光るアクセント付き白とブルーのテックアーマー

ロブロックス, ちびブロック体型, シンプルな丸い

ブラウン髪のちびソルジャー、迷彩ヘルメット、ミリタリーカモフラージュユニフォーム、タクティカルベスト
Roblox isn't one game — it's thousands, each with its own visual language. A character designed for Brookhaven looks nothing like one built for Doors. The best Roblox OCs aren't generic avatars; they're designed for a specific genre and game context, then adapted outward.
This guide breaks down OC design by the game genres players actually spend time in.
Before anything else, pick a body style. This single decision shapes every downstream choice.
| Body Type | Proportions | Best For | Visual Vibe |
|---|---|---|---|
| Classic (R6) | Blocky, 6 joints, iconic look | Nostalgic games, obby, tycoon | Retro, memeable, instantly recognizable |
| R15 | 15 joints, smoother movement | RPGs, social games, combat | Modern standard, most versatile |
| Rthro | Realistic proportions, tall | Horror, cinematic experiences | Uncanny, dramatic, imposing |
| Rthro Narrow | Slim realistic proportions | Fashion games, anime-inspired | Closest to anime figure silhouettes |
R15 is the safest default. Most UGC accessories and layered clothing are designed for R15 proportions first. If you're unsure, start here.

Games like Blox Fruits, Deepwoken, and Arcane Odyssey demand characters with clear combat identity.
Design pillars:
Prompt approach for RPG OCs: "A Roblox R15 character wearing dark samurai armor with red accents, a glowing katana on their back, one eye covered by a bandage, standing on a pirate ship deck"
Doors, Apeirophobia, The Mimic, Flee the Facility — horror games dominate Roblox, and their characters follow different rules.
What works in horror OC design:
What doesn't work: Overpowered edgelord designs. Horror Roblox characters are survivors, not warriors. The vulnerability is the point.

Brookhaven, Berry Avenue, Bloxburg. These games are essentially fashion and identity simulators. Characters here need personality, not combat stats.
Three social-game archetypes that always land:
Often overlooked for OC design, but tycoon and simulator characters have a distinct visual language.
Tower of Hell, Obby Creator, parkour maps. These characters are built for readability during fast movement.
Key design constraint: Your character will be a small, fast-moving shape against chaotic backgrounds. High-contrast colors and a distinctive silhouette matter more than fine detail.

Roblox's layered clothing system changed OC design fundamentally. Understanding it unlocks the best-looking characters.
Layer order (inside out):
The rule of three: Limit yourself to three "loud" accessories maximum. A hat, a face item, and a back item is plenty. More than that and the character becomes visual noise.
If you're designing a Roblox OC as a concept for UGC creation, the priorities shift:
Roblox faces carry enormous personality weight because the body shape is relatively uniform.
| Face Style | Reads As | Best Genre Match |
|---|---|---|
| Classic smiley | Friendly, nostalgic | Social, tycoon |
| Anime eyes | Expressive, trendy | RPG, anime games |
| Stitchface / asymmetric | Edgy, horror-adjacent | Horror, combat |
| Minimal (dot eyes) | Clean, aesthetic | Fashion, minimalist builds |
| Smirk / confident | Competitive, skilled | PvP, fighting games |

Should I design for R6 or R15? R15 unless your character is specifically meant for classic/nostalgic games. R15 supports layered clothing, more animation options, and the vast majority of modern UGC accessories.
How do I make my Roblox OC stand out in a crowded server? Distinctive silhouette beats complex detail. A character with one unusual shape (asymmetric cape, oversized weapon, unique hat shape) reads better at distance than one with intricate textures nobody can see.
Can I design Roblox OCs that work across multiple games? Yes, but you'll need a modular concept — a core look that works in social games plus add-on gear pieces for combat or horror contexts. Think of it as a wardrobe, not a single outfit.
What about Korblox and Headless? These premium items define Roblox's luxury avatar meta. If your OC concept includes them, lean into the status symbol aspect — pair them with clean, high-end outfits rather than cluttered builds.
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