Who's in the Barney suit

David Voss (1988-1990), David Joyner (1991-2001), Carey Stinson (1994, 2002-present), and Josh Martin (1999-2002) (Barney suit)

Bob West (1988-2001), Duncan Brannan/Tim Dever (1999-2002), and Dean Wendt (2002-present) (Barney voice)