Sir Percival

Sir Percival is a doppelgänger of Blaze the Cat from the world of Sonic and the Black Knight. Despite being female, Percival is entitled "Sir" along with the other Knights of the Round Table. She is the only female member of the Knights of the Round Table, and is known as the Knight of the Grail. She wields the sacred sword Laevatein, which appears to be a rapier. Using her royal powers, Percival can surround herself in flames during combat.

History
Percival, along with her fellow knights Lancelot and Gawain, was sent by King Arthur to eliminate Sonic the Hedgehog when he arrived into their world. Percival was the last knight Sonic fought. During their fight, she fell from a high cliff, and Sonic and Caliburn saved her in time. She was then impressed by Sonic's kindness, and blushed at his chivalry. Sonic's defeat of Percival is what finally earned him Caliburn's respect and the official title of "Knight of the Wind".

After King Arthur turned out to be an illusion created by Merlin years ago and that it was all a plot orchestrated by Merlina, Percival went off to put her sword in the shrine. She thought Sonic was kidding at first when he explained his plan, but when she saw he meant what he said, she bid him good luck. After the four swords formed a barrier around the castle and Sonic defeated Merlina, Caliburn revealed that Sonic was the true King Arthur of this world, and Percival, along with Gawain and Lancelot, bowed before Sonic before the hedgehog went back to his own world.

Gameplay
Sir Percival's gameplay in Sonic and the Black Knight is quite different from Sonic's gameplay. Unlike Sonic or Lancelot, she has two jumps, of which the first is used as a homing attack. Her aerial attack can be used to stay in the air for a longer time, as it sends her straight forward without losing height. The downside of this however is, that her aerial attack can't be used as effectively as Sonic's or Lancelot's. Her ground-based attacks make her speed from enemy to enemy. In her variation of the Soul Surge, she covers herself with fire and is freely controllable. This is very useful when fighting against multiple enemies at the same time. She is a Cavalier-style character.

Just as Lancelot and Gawain she can only be used in the levels Knight's Passage, Shrouded Forest, Great Megalith, The Cauldron and Dragon's Lair.

Quotes
"I am Percival, Knight of the Round Table, and servant to King Arthur. State your name and master, Sir!" - Sir Percival to Sonic the Hedgehog

"Now I shall test your skills, Sir Knight!" - In the beginning of battling in Sonic & the black knight

"Impressive, O Knight of the Wind." - While fighting Sonic in Sonic & the Black Knight

"Let us battle in honor!" - Sir Percival after being selected in multiplayer

"As you wish." - Sir Percival when selected in Sonic and the Black Knight Battle Mode.

"A fine weapon." - Sir Percival when selected in Sonic and the Black Kight multiplayer

"Not bad. But not good enough." - Sir Percival after winning a battle in Sonic and the Black Knight.

"A quite obvious outcome." - Sir Percival after winning a battle in Sonic and the Black Knight.

"A most worthy choice." - Sir Percival after selected in Sonic and the Black Knight Battle mode.

"Hehe. What's wrong?" - After getting five stars for a mission in Adventure Mode

"What the?!" - After getting one star for a mission in adventure mode

"B-But... How did you?" - After being defeated by Sonic.

"A performance, befitting a Knight" - After getting a 4 stars rating in Adventure mode.

"I shall withdraw..." Percival after failing a mission.

Real world background
In the Arthurian legends, Sir Percival was a (male) Knight of the Round Table, most famous for his involvement in the quest for the Holy Grail. He was tied to the Grail legend in the earliest Arthur stories, before later legends made Sir Galahad's role more prominent. He was the son of King Pellinore, and thus the brother of Sir Lamorak.

Trivia

 * Since Sir Percival is modelled after Blaze the Cat, and hence female, many fans believed that she should have been referred to as "Dame Percival". However, "Sir" is a title bestowed on all knights regardless of gender, whereas "Dame" refers only to female knights within the Orders of Chivalry.
 * Percival is the only playable character in Adventure Mode to not use a sword to climb up a wall nor use one to slow down the drop; instead, she walks on the walls. (The real Blaze has not yet demonstrated an ability to walk on walls.)
 * She is the only playable character in Adventure Mode whose Soul Surge does not create a targeting reticule.
 * Percival's body armor resembles Blaze's purple coat/tunic
 * Percival is the only playable in adventure mode to double-jump (only if there are no enemies present).
 * Percival's character type is Chavalier, a speed-type style. Blaze is also classified as a Speed-type character.
 * Percival is the only Knight of the Round Table besides Sonic to hold her blade normally.
 * Percival's theme is the Vela Nova song from Sonic Rush. Specifically, this version was an extra track in the game soundtrack. Despite being her theme, a different song of unknown origin is played during her encounter with Sonic.
 * Percival is seen blushing after Sonic saves her from falling over a cliff. Some fans consider this, and Percival's later concern for Sonic's wellbeing, as a suggestion that Percival is romantically interested in Sonic. The evidence is not entirely clear.