Casting History of Oz's Muppets

This's the casting history of Oz's Muppets.:
 * Frank Oz as:
 * Cookie Monster (1969-2001; retirement 2005-present )
 * Bert (1969-1998; voice 1969-2000, retirement 2006-present )
 * Grover (1970-1998; voice 1970-1999, retirement 2012-present )
 * Sam the Eagle (1975-2005)
 * Animal (1976-2001)
 * Fozzie Bear (1976-2001)
 * Miss Piggy (1977-2001)
 * Eric Jacobson as:
 * Grover (1998-present; voice 2000-present )
 * Bert (1998-present; voice 2001-present )
 * Miss Piggy (2001-present)
 * Fozzie Bear (2001-present)
 * Animal (2001-present)
 * Sam the Eagle (2005-present)
 * David Rudman as:
 * Cookie Monster (2002-present)