He is nicknamed "Daegari" (대가리), the vernacular word for "head", and "the Helmet" (헬멧), due to the extraordinary size (roughly 8 kg) of his head.
Ia dijuluki "Daegari" (대가리), bahasa sehari-hari untuk "kepala", dan "Helm" (헬멧), karena ukuran yang tidak biasa (sekitar 8 kg) dari kepalanya.