M.C. Birthday
Wikisimpsons - The Simpsons Wiki
M.C Birthday is a character who first appears in the Ice cream parlour where Ned Flanders is taking the residents from Springfield Retirement Castle out for Jasper's birthday. When The Squeaky Voiced Teen hears of Jasper's birthday he presses an alarm, prompting M.C Birthday and the Goodtime Gang to perform the following rap:
YO YO YO Give it up for M.C Birthday
I said a Birth, a Day, A Birth of the Day
Now My good time gang are gonna blow you away