Tuany-Neko-Daisuki

I looked up some of the Sonic characters birthdays. Only a few had the year that they would have been born in. Sonic- June 23rd, 1976 Tails- October 16th, 1984 Knuckles- February 2nd, 1978 Amy-  October 6th, 1985 Cream- May 9th, 1996 Shadow- June 19th, 1951 Rouge- October 31st, 1974 Espio- March 6th, 1979 Charmy- December 27th, 1989 Vector- August 9th, 1975 Jet- July 6th, 1992 Wave- 1988 Storm- 1987 Silver- April 5th, 2198 Blaze- June 19th, 1999 Dr. Eggman- April 28th scourge- August 28th Tikal- December 23rd If anyone can find me the years for the ones I have that don't have years I will be grateful. An If anyone can find