Amos 'n Andy. Laurel and Hardy, Martin and Lewis. Burns and Allen, Nichols and May.
Hamilton and Burr.
The Heat Miser and the Snow Miser. Huntley and Brinkley. Tweedly-Dee and Tweedly-Dum. Mason and Dixon.
Nixon and Kissinger.
Sacco and Vanzetti, peanut butter and Fluff.
M & M.