Yasuhiro Usutani's following
- LifeLeaper
- Sean Doyleseanpdoyle
- Rafael Mendonça Françarafaelfranca
- David Heinemeier Hanssondhh
- Sam Stephensonsstephenson
- VicfredVicfred
- Takahiro KuniiTakahiro-Kunii
- Ilya Grigorikigrigorik
- Tetsuya Takenakatgl-takenaka
- tgltoolstudio
- hirohinata
- miwami
- Kotaro Noguchiko-noguchi
- Satoshi Iuchiicchi
- ykaki
- Lang Yuikalang
- N.HiguchiHiguchi0