Mummy Sister appears to be heavily covered in bandages all around her body, much like the traditional mummy look. In her clown form, she has a white face with a red nose and wears a long red point hat, with a mixed half-red and half-white costume to go with it.
Mummy Sister can spew a thick blast of black fog from her knife and left fist.
Mummy Sister can use a knife for battle.
Mummy Sister can take on a the form of a human clown as means of disguise.
Mummy Sister can inject poison gas from her fingertips.
Mummy Sister can float in the air.
Due to being undead, Mummy Sister is very durable to many attacks and getting stabbed or slashed by sharp blades or attack do not work. When she was stabbed by a sword, she didn't react and was not in pain.
The Miraculous Holy Man • The Birth of Rainbowman • Rainbowman Dash 7 • Makao's Murderer Show • Plot of the Shine Shine Dan • The Evil 5 O'Clock Has Come! • Operation Cat's Eye Comes Ashore • Lonely War • Let's Drive Takeshi Mad • Kill The Bastards! • Let's Spring the Trap! • Critical Moment!! • Mission: Rainbow • Terror Operation M • Murder Professional • Murder Pro Garuma's Revenge • Witchcraft-Human Petrification!! • Hoshikko Catastrophic Change • Racing! Giant Flying Squirrel Killing Technique • Abandon Operation M!! • Let's Attack the Electric Current People!! • Rescue One Hundred Million People!! • That Over There is the Bastards' Base!! • A Man's Promise • In the Morning Sun, the Witch Disappeared • The Secret Big Ground Explosion • Hold Back the Underground Tank Mogurard! • The Demonic Corps DAC • Operation Mogurard Wreak Havoc • The Terrifying Sequential Explosions • The Cyborg Pagora • Dakaa Airforce, Sortie!! • The Vacuum Waterspout Technique • The Invisible Black Hand • Your Sweetheart is an Assassin • X Zone Destruction Order!! • Big Explosion on the ABCD Line • The Final Sun in the Capitol of Tokyo • Operation Diamond Plunder • The Battle With Cyborg Mark 1 • Pursuit 1000 km! • I Swear by the Sun and the Green! • The Rainbow Combination Technique • Doctor Borg's Tenacity • The Cyborg Slave Corps • The Black Star is an Accursed Mark • A Bluff is the Only Decision • Burn! Great Victory or Defeat • The Bullet That Went Insane • The Cross of the Mission • The Rainbow Soars, Warrior of Love