Ivor MacSvensson

Ivor MacSvensson is an important secondary character in L. Sprague de Camp's L. Sprague de Camp's 1940 short work, "The Wheels of If". He is a New Belfast political boss of the Diamond Party, and an important nemesis of Allister Park, who eventually defeats him via a clever legalistic method.

Ivor MacSvensson in "The Pugnacious Peacemaker"
In 1941, Ib Scoglund, formerly Allister Park, met a Tawantiinsuujuan named Mankoo, who reminded him of a red-skinned, half-naked version of his old nemesis Ivor MacSvensson.