Lloyd Scott has completed his charity climb up the Gherkin in a deep diving suit in a total time of 2 hours and 53 minutes.
He climbed 38 floors and a total of 1,037 steps in the 10 stone suit - and told ITV London how he felt at the top.
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The painting, entitled 'Beautiful Beautiful George Michael Love Painting', was auctioned to help raise funds for HIV and Aids prevention.
The 38-year-old victim was standing on a busy Victoria Line train when another passenger approached him.
The boy, called Roman, told police call handler his mum "is dead" and "she's closing her eyes and not breathing".