Rainier Wolfcastle is a character on The Simpsons. He is an action movie star who plays the titular protagonist in the fictional McBain franchise. He is a parody of Arnold Schwarzenegger.
The Pronunciation of the name varies. The French version of the name is pronounced "REHN-YAY". The German version of the name is pronounced "RAIN-EAR".
Rainier Brewing Company made Rainier Beer - Iconic for many of their commercials including the one of a motorcycle that revved "raiiiiiiiii-nieeeeeeeer-beeeeeeeer" while zooming by along a mountain road.
― Anonymous User 5/15/2010
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Although this is a beautiful name, it reminds me of the weather that is more rainy than rainy. However, as it's pronounced differently than said weather, I have mixed feelings.
This is my name, and I love it. My mum is French, but generally I use the German pronunciation of Rainer just to make it easier. But as a francophone, it is a beautiful uncommon name especially in English said the French way.