Quite a mouthful. You might as well call him by his stage name MSG, which is more commonly known as monosodium glutamate, which is supposed to be harmful to health.
There are, however, a number of real cases of multi-religious names. One is Major-General George Bharat Singh, who was prominent in the 1965 war. Unfortunately there is no suitable reference on the net, though you will find his name easily enough through Google.
There was a lesser-known but moderately successful cricketer named Ashish Winston Zaidi, who played for UP in the Ranji Trophy for many years:
http://www.espncricinfo.com/india/content/player/36137.html
The Indian film industry was fond of titles like this. The best known is “Amar Akbar Anthony”, but there were also “John Jani Janardhan” (with Rajnikanth, no less) and “Ram Robert Rahim” in various languages around the same time.
And the song “Love Charger” evoked memories of the chargers used by Papillon and his friends.
“From the beginning of the book you’re left in no doubt as to how hard you needed to be to survive. On the boat heading for South America each prisoner carries his own ‘charger’, a slim metal cylinder for storing your cash – cash that would be sorely needed in order to make a break.
I kissed this three-and-a-half-inch , thumb-thick tube before shoving it in my anus. It went up high into my large intestine. It was part of me.”