[lancefisher]

Akiyuki makes infrequent videos, but beautiful LEGO machines.

https://youtube.com/@akiyuky

[shagie]

Akiyuki is well known in the GBC part of Lego.

The Great Ball Contraption is in part a standard that defines how different GBC modules connect, and by following that standard you can have a large number of them, built by different people in isolation, be linked together.

https://www.greatballcontraption.com/wiki/standard

https://youtu.be/RRiAI5xrFEM (you will Akiyuki in there a few times)

[jacobolus]

Yoshihito Isogawa makes wonderful little contraptions https://youtube.com/@ISOGAWAYoshihito (collected in several lovely books)