OGRolen Andrei «skem» Ong is a Filipino professional Dota 2 player who currently plays as OG's Position 5 support and captain. During his career, he has represented teams including Neon Esports, BOOM Esports, Geek Fam and Shopify Rebellion. He joined OG in November 2025 and remained with the organization for its rebuilt 2026/27 roster.