|Full Name||Saburo McIntosh|
|Personifies||Macintosh System 3.0|
|Height||130 cm (4 feet 3 inches)|
|Affiliation||Retrograde Conglomerate (Member), The Infinite Loop (Past Member)|
Macintosh System 3, known as Saburo McIntosh, is one of the triplets alongside his siblings Macintosh System 2 and Macintosh System 1. Just like his siblings, Saburo shares similar eye colour and hair colour, emphasizing their familial connection.
In terms of attire, Saburo dons a grey and black suit paired with a matching tie. His short, dark hair and glasses further enhance his polished appearance, giving him a scholarly and knowledgeable aura.
Saburo McIntosh embodies traits such as intellect, keen observation, and a remarkable memory. Known for his exceptional ability to remember vast amounts of information, he serves as the repository of knowledge among the siblings.