August 12, 2014 5:04 PM EDT

Some people on Twitter appear to mistakenly believe that the British singer Robbie Williams has died instead of Robin Williams, the 63-year-old comedic actor who passed away Monday.

The hashtag #RIPRobbieWilliams suggests plenty of people are either getting their celebrities mixed up, or using a confusing diminutive when paying tribute to the late actor:

Oh someone famous died - let me write a topical tweet #RIPRobbieWilliams #angels

— Craig Evans-Bird (@EvansBirdTweets) August 12, 2014

Omg I can't believe Robbie Williams has died 😢 rock Dj will always be one of my favourite song

— T (@TheT0M_) August 12, 2014

Robbie Williams – who is apparently alive and well – recently started a live tour called “Swings Both Ways,” which has performances coming up next month in Australia.

(h/t The Daily Mail)

MORE: Complete Coverage of Robin Williams on

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