Sneak Brothers

The Sneak Brothers appeared in 2011 TV series called Kaizoku Sentai Gokaiger. The Sneak Brothers (スニークブラザース Sunīku Burazāsu) are an elite spy duo composed of the humanoid Younger (ヤンガーYangā) and his orb-like older brother Elder (エルダー Erudā).

After Younger's death, Elder was joined with his humanoid younger sister Sister (シスター Shisutā) in Gokaiger vs. Gavan movie. They were sent by Damaras to spy on the Gokaigers to learn more of their' goals. In the end, Elder is swatted away into outer space by GokaiOh's Gokai Bat while Younger is destroyed by Deka GokaiOh.

Elder returns for revenge along with his humanoid younger sister, Sister. Using the power of Makuu Space to create clones of himself that can combine into a giant ball, Elder and Sister battle Gokai Yellow and Gokai Green in Makuu City. In the end, they died during the destruction of Makuu Prison.

Sneak Brother Younger was part of an army of resurrected (mostly Super Sentai) monsters led by Space Raider after the revival of Madou Demon King Psycho. They proceeded to attack the gathering of Kamen Riders and Super Sentai, giving them a hard time. Younger helped beat Kamen Rider OOO with Rhino Doubler, Ayakashi Chinomanako and Action Commander Stargull. The heroes of recent years were in a pinch until the arrival of a force of Sentai and Rider reinforcements led by Akarenger and Kamen Rider Ichigo. The combined forces of superheroes were able to turn the tide against the Madou army, with Younger being beaten back by OOO. They lined up and used their various finisher attacks to destroy the revived monsters.