Kajukenbo is a hybrid martial art that combines Karate, Judo, Jujitsu, Kenpo, and Chinese Boxing.
It was invented in 1947 at the Palama Settlement in Honolulu by Sijo Adriano Emerado, Peter Young Yil Choo, Joe Holck, Frank Ordonez and Clarence Chang.
They called themselves the "Black Belt Society" and created Kajukenbo to help others defend themselves and the local crime in Hawaii.
The name works in two ways:
"ka" ("long life")
"ju" ("happiness")
"ken" ("fist"),
"bo" ("style")
Or
"ka" ("karate")
"ju" ("judo"/"jujitsu")
"ken" ("kenpo")
"bo" (Chinese "boxing")
“Kajukenbo”

By Sijo Emperado
The mother art, Kajukenbo involves an integration of the outstanding advantages of a number of martial arts systems. It was developed in Hawaii in the late 1940s and it uses the explosive power kicks of Karate, the throws of JUdo and locks of JUjitsu, the fast hands of KENpo, and the circular, flowing techniques of Chinese Boxing (Kung Fu Chinese boxing) and the punching of Western BOxing thus KA-JU-KEN-BO.
One style of Kajukenbo is Tum Pai.
The name Tum Pai was used by Sifu Al Dacascos and Sifu Al Dela Cruz to represent the direction they were expanding the Kajukenbo system under Professor Emperado in the mid 60's; however, the use of the term was relatively short lived.
Sifu Jon Loren asked Professor Emperado if he could resurrect the name “Tum Pai” to represent the direction he and his black belts were taking their Kajukenbo system in 1978.
In the early 60's in Hawaii, Sijo Adriano Emperado along with students Al Dacascos and Al Dela Cruz, incorporated innovations of the style of Tum Pai and other martial arts into their Kajukenbo training. Later it became obvious that they were no longer doing Tum Pai and in the future it would have to be named something else.
In the mid 60's Al Dacascos moved to Northern California and continued training in the Northern and Southern styles of Sil-lum Kung Fu, to enhance his Kajukenbo training.
It was during this time, in 1965, that the name Ch'uan-Fa was introduced.
The word Chu'an-Fa itself means "fist way" or "fist style".
Quan Fa, roughly translated as "Fist Principles", was based off the Five Animals styles from Shaolinquan. The five animal forms were created by the monks in the Henan Shaolin Temple by observing and mimicking the movements of each animal.
Each animal represents its style and involvement in Quan Fa.
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Tiger: - The tiger is used for training the body: having great external strength and Agility.
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Crane: - The Crane is used for training the fingers, arms and legs: Learning how to balance, how to surprise and confuse the opponent, how to perform swift, violent attacks with precision.
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Leopard: -The Leopard is used for training the body on to developing good balance, fast attacks and quick reactions.
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Snake: - The Snake is used for training the finger tips, palms and developing soft internal power. It is also noted that the snake teaches the user how to develop relaxation, how to strike specific targeted points in the body.
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Dragon: -The dragon is used on how to grapple, how to lock your opponent, and how to deliver strikes on certain parts of the body. It is also noted that the dragon teaches the user how to develop internal strength as well how to perform smooth, fluid movements.
((Note: The Source is brought from Quan-Fa.com, The American Quan Fa Association Community)