The original Leap-Frog is Vincent Patilio:
There are multiple individuals who have used this name in the Marvel Universe.
Leap-Frog (Eugene Patilio) - son of Vincent Patilio, used his fathers costume, accidentally captured Speed Demon
Leap-Frog (Buford Lange) - father of Timmy Lange, electrocuted by him so he couldn't kill Daredevil
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