"Trying to work out what's wrong.. and have come the conclusion it's the eyes," another tweet said.
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Dominic Milani joked: "He looks like the evil twin of himself, ten years from now."
As well as taking selfies with the actor, fans visiting the attraction will also be able to "feel his 'heartbeat'" as part of the wax museum's Dream Dates series.
"Through a special technique, you are able to feel the 'heartbeat' of the Hollywood star," Madame Tussauds Berlin said.
"The wax figure of Ryan Gosling complements the squad of heartbreakers who can be admired at Madame Tussauds Berlin, including George Clooney, Brad Pitt and Johnny Depp ..."
Earlier this month, a Donald Trump waxwork was unveiled at Madame Tussauds in London.