Hal and Percy are two different people. They are characters from the Percy Jackson movies that are based off of Greek mythology.
The cast of Sheriffs of the USA - 1956 includes: Keith Andes as Kinkead Hal Baylor as First Heavy Percy Helton as Salesman Denver Pyle as Davis
Hal Baylor's birth name is Hal Brittan.
Hal Needham's birth name is Hal Brett Needham.
Hal Havins's birth name is Hal Roth Havins.
Dave deactivated HAL 9000
Henry Percy ("Hotspur") is killed at the Battle of Shrewsbury by Prince Henry ("Hal/Harry"), the future King Henry V. Falstaff later claims to have killed Hotspur, although he had simply stabbed the corpse.
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The cast of Sheriffs of the USA - 1956 includes: Keith Andes as Kinkead Hal Baylor as First Heavy Percy Helton as Salesman Denver Pyle as Davis
Hal Lamar went by Hal.
Hal Chase went by Prince Hal.
Hal Newhouser went by Prince Hal.
Hal Baylor's birth name is Hal Brittan.
Hal Price went by "Happy" Hal Price.
Hal Scharf's birth name is Hal Samuel Scharf.
Hal Rothman's birth name is Hal Karl Rothman.
Hal Beckett's birth name is Foxton Beckett, Hal.
Hal Frederick's birth name is Hal Christopher Frederick.