Sony Plotter series

The Japanese title プロッ太 is not the standard spelling for plotter but is spelled irregularly as if it is someone’s name.

Title	Developer	Year
Plotter (プロッ太)	Sony	1984
Plotter Character Collection: Tashiro Kunihiko's World (I) (プロッ太キャラクター集田代邦彦の世界(I))	Sony	1984
Plotter Character Collection: Tashiro Kunihiko's World (II) (プロッ太キャラクター集田代邦彦の世界(II))	Sony	1984
Plotter Character Collection: Christmas & New Year (プロッ太キャラクター集クリスマス＆お正月)	Sony	1985
Plotter Character Collection: Letters (プロッ太キャラクター集おたより)	Sony	1984
Plotter Jr. (プロッ太Jr.)	Sony	1984