Luke Irwin

Luke Robert Irwin(Chinese: 程卢克 Japanese: チェンルカ)is the main character of the A Crazy EX Battle Series. He currently a senior student in Grade 11. He is also a part time athelete and part time guitarist and lead singer. With the Lightning amulet, he transforms into Dr. Fluke, gaining the power of intelligence to think before fighting villains.

Physical Appearance
He is slender and stands on average 16-year-old height. He has blue eyes and blonde hair. His hair is styled in a quiff and has an ahoge. His skin is fair like his brothers Shawn and Aidan.

Civilian Attire
He wears a white short-sleeved t-shirt. He wears black cropped jeans and black shoes. He has a black bracelet on his left wrist which serves as the amulet to become Dr. Fluke. In the previous school photo, he wears the same outfit except he has flat hair which references Fetus Luke. His sleepwear consists of a white tank top and black shorts. In A Crazy EX Battle: A Chinese Legend, he wears a black hoodie over his everyday wear and for his sleepwear, he wears a white shirt and black sweatpants. His sports wear consists of a green and white football uniform. His swimwear consists of black and gold swim trunks. In 'Another Jinx' he wears a red and gold traditional Chinese shirt, black cropped jeans and black shoes.

As Dr. Fluke
As Dr. Fluke, he wears a black mask like Michael but in a slightly different shape. He wears a black skintight suit, gold gloves, gold chest plate and gold shoes.

As Aqua Dr. Fluke
As Aqua Dr. Fluke, his outfit remains the same but he has fins on his arms and legs.

As Dr. Fluke Glacier
As Dr. Fluke Glacier, his outfit remains the same but he has sky blue lines on the yellow areas of his suit. He also has ice skates.

As A Civilian
He has the ability to play the guitar like his brothers Michael, Shawn, Raphael and Thaiyo. He is the top of the class along with Calum. He can play football(soccer) but Calum is shown to do better than him.

As Dr. Fluke
He has the power of intelligence having super smartness to find the way to fight his enemies. He can use his gloves to move items without holding them. He also can use his gloves to make lightning bolts to destroy his enemies and use 'Glove Guns' to shoot bullets as seen in 'Simon Says'.

Family
Wang Cheng(Great Uncle)

Thomas Cheng(Maternal Grandfather)

Miyuki Hattori(Maternal Grandmother)

David Irwin(Paternal Grandfather)

Anne-Marie Irwin(Paternal Grandmother)

Ashton Irwin(father)

Adrien Cheng(uncle)

Isabelle Ho(aunt)

Ben Cheng(uncle)

Billy Cheng(uncle)

Leah Cheng(aunt)

Kayla Irwin(mother)

Michael Irwin(brother)

Calum Irwin(brother)

Shawn Irwin(brother)

Raphael Irwin(brother)

Yuto Irwin(brother)

Aidan Irwin(brother)

Zoe Irwin(sister)

Thaiyo Irwin(brother)

Sofia Cheng(cousin)

Stella Cheng(cousin)

Trivia

 * He is adopted
 * He is one of the 15 characters who appeared in the original A Crazy EX Battle series. The original are Ashton, Michael, Crystal, Calum, Luke, Shawn, Niall, Raphael, Yuto, Aidan, Zoe, Thaiyo, Gun and Tanya
 * He is the fifth Lightning amulet holder to be of Australian origin after Aboriginal Dr. Fluke, an Australian World War 2 Veteran who wielded the amulet, an Australian Korean War Veteran and an Australian Vietnam War Veteran
 * He plays Asgore from Undertale in Undertale: Tales From The Underground
 * Luke's superhero form was inspired by one of the superheroes from 5sos' music video, 'Don't Stop' and Thor from The Avengers
 * Luke is one of the 12 characters who have ahoges, the others are Michael, Calum, Alex, Rena, Devan, Shawn, Yuto, Zoe, Gun and Stella
 * In order to tell Luke apart from Collins, Luke has a higher quiff and a lighter shade of blonde, an ahoge, cropped jeans and due to age, he is shorter than Collins
 * He is in the Sydney Academy Football Team along with Calum, Aidan, Yuto and Zoe
 * His Chinese name is Chéng Lú kè and his Japanese name is Chen Ruka
 * His ahoge moves whenever he senses danger
 * He is the descendant of the previous Australian amulet holders