Abdul Abulbul Amir or Ivan Slavansky Slavar

Abdul Abulbul Amir, Ivan Skavinsky Slavar - two characters from the popular song Abdul Abulbul Amir, by Percy French. The first verse is:

The sons of the Prophet were brave men and bold
And quite unaccustomed to fear.
But the bravest by far in the ranks of the Shah
Was Abdul Abulbul Amir.