Scarlet Overkill

"Have any of you ever dreamed of working for the greatest super villain of all time?!"

- Scarlet Overkill introduces herself

"Don't you "Scarlet" me, you backstabbing little traitors!!"

- Scarlet angry of Kevin, Stuart and Bob's betrayal

Scarlet Overkill is the main antagonist of the 2015 film  Minions,  the prequel to the  Despicable Me movies.

She is voiced by Sandra Bullock, who also portrayed Margaret Tate.

Information
She is a stylish and ambitious villain determined to dominate the world and become the first female super-villain, she is also the wife of Herb Overkill.

Scarlet's introduction
Scarlet is known for being the "World's first female supervillain". She attends 1968's Villain-con in search of new henchmen, setting up a challenge of whoever steals her ruby gets the job, which the trio wins after Bob accidentally swallows the gem.

Having taken Kevin, Stuart and Bob to her castle in England, she introduces them to her husband Herb and her so far stolen loot. She then address about her plan of stealing Queen Elizabeth's crown in order to overthrow her; In case they could fail the mission, she would kill them.

Back Stabbing Little Traitors
Later during the mission, in the news is mentioned Bob being crowned after taking out Arthur Pendragon's sword in the stone. Scarlet, feeling betrayed, angrily travels to the Buckingham palace to threat them, stating how she had planned everything about her coronation. Bob abadicates in order to attend Scarlet. Although she says to the press she's thanked by the Minions' action. She sends them to a underground dungeon to be tortured, telling she hates them and it was their fault.

Queen Scarlet
During the coronation ceremony; Kevin, Stuart and Bob try to apologize but accidentally finish collapsing a chandelier over her, almost killing her. Scarlet survives and orders them to be exectued. Kevin manages to escape but Stuart and Bob don't. She sends a message to Kevin though the news treating to kill the remaining Minions if he does not comes by dawn.

Final Battle and Defeat
The next morning, Scarlet and Herb settle a large amount of explosives in order to murder Stuart and Bob, but a giant Kevin breaks in. The villainess furiously faces the gigantic Kevin, although she is later knocked out, she fires a missile to the Minion tribe that has just arrived in middle of the fight, Scarlet tries to get away from the situation with Herb but are stopped by Kevin. They both shield themselfs when the missile is about to explode inside Kevin's mouth. After the battle, It is unknown what happens to her and her husband later, it is possible that they weir arrested and send to jail.

New Master
She reappears during Kevin's knighting ceremony, stealing the Queen's crown by her own account along with Herb and tries to run away but they're stopped again, this time by a young Felonius Gru, who takes away the crown from her hands. Bob, feeling pity, decides to give Scarlet the little crown originally gifted by Queen Elizabeth to his teddy bear before Gru befriends Kevin, Stuart and Bob before leaving London, England.

After The New Master
Scarlet, along with Herb Overkill We're Frozen Untill Gotham's Most Wanted Criminal Harvey Dent A.K.A Two-Face Released Her & Herb Overkill With His Ice Melting Laser And Joined His Gang And They Moved To Gotham City,IL to Kill Batman Once And For All.

Trivia

 * Scarlet is similar to Stephanie Gaunt as both are villainous women and both try to use others to steal The Queen's crown jewels for them (for Scarlet it is Kevin, Stuart and Bob whilst with Stephanie it was Tom Clarke and Lexi).
 * Scarlet's design is nearly the same as singer Katy Perry.