Shroud

Shroud is a character in Kamen Rider Double, acting as a benefactor for both Ryu Terui and Philip (the latter of which she knows as Raito Sonozaki) in her mission to destroy the museum.

Synopsis
Her name comes from the fact that she hides her true identity from others by wearing a large black fedora, a black trenchcoat, sunglasses, and bandages over the rest of her face. She initially provides Ryu with the equipment and arsenal he needs to fight as Kamen Rider Accel. She later provides Philip with blueprints for the Frog Pod and Denden Sensor, and approaches him within the Xtreme Memory to end his partnership with Shotaro in favor for Ryu, knowing his identity. She is caught off guard when Shotaro is able to merge with Philip to become Kamen Rider Double CycloneJoker Xtreme.

Ryubee knows that she exists, and remarks on how she is attempting to interfere with his plans. It is unknown what relation she has to the museum but seeks revenge against it. Isaka also appears to be familiar with her warning the riders that she will be their end.

Abilities
Shroud exhibits an extensive knowledge over the Museum and Gaia Memories and has developed equipment such as the Accel Driver.