Thundurus (Japanese: ボルトロスEX Voltolos EX) is a Lightning-type Basic Pokémon-EX card. It was first released as part of the Plasma Freeze expansion.
This card was released as both a Regular and a Full Art card in the English Plasma Freeze expansion, originating from the Japanese Thunder Knuckle expansion. The Regular print features artwork by Eske Yoshinob, while the Full Art print features artwork by 5ban Graphics. This card was later reprinted as one of the BW Black Star Promos with new artwork by Eske Yoshinob and was included in the Team Plasma Tins released in September 2013.
Raiden Knuckle's Japanese name is that of the Japanese expansion in which Thundurus-EX was released. This card features the Therian Forme of Thundurus.