Kamen Rider Leangle is a character from the Japanese tokusatsu series Kamen Rider that aired in 2002. He is known for his unique design and abilities, which are derived from the Kamen Rider Ryuki series. Leangle is a member of the Rider group and uses a special card system to transform and access various powers. Leangle's alter ego is Kamen Rider Leangle, who fights against other Riders and monsters known as Undead. His character is portrayed as a complex figure, often caught in moral dilemmas. The series explores themes of rivalry, friendship, and the consequences of power.