Suggestions by @bobashbury

Danny DeVito

as John Adams in Presidents Biopic Films

Score: 0

M. Emmet Walsh

as John Adams in Presidents Biopic Films

Score: +2

Ned Beatty

as Chester A Arthur in Presidents Biopic Films

Score: 0

Danny DeVito

as Spamton in Undertale/deltarune

Score: 0

Max Greenfield

as Dick Van Dyke in Julie Andrews and Dick Van Dyke Biopic

Score: +1

Danny McBride

as Archie Bunker in All In The Family

Score: 0

M. Emmet Walsh

as Martin Van Buren in Presidents

Score: +1

Brian Stokes Mitchell

as Barack Obama in Presidents

Score: 0