Lenny

Lenny is a diminutive form of the name Leonard, which is of German origin meaning "brave lion". The name Leonard is derived from the Germanic elements "lewo" meaning "lion" and "hart" meaning "brave" or "hardy".

The name Leonard became popular in medieval times due to the veneration of St. Leonard, a Frankish nobleman and courtier who later became a hermit. He is the patron saint of prisoners and was known for his charity and compassion.

Lenny is a friendly and informal diminutive of Leonard that has been commonly used as a given name in its own right, particularly in the United States. It has a warm and friendly feel to it.

While the name Lenny is not as popular as it once was, it still maintains a sense of familiarity and approachability.