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· Remembered
Maru the box cat
What happened
Maru, a Japanese Scottish Straight born 24 May 2007, became the internet's defining box-diving cat after his owner opened the mugumogu YouTube channel in 2008. He later held a Guinness record for most views of an individual animal.
How it unfolded
- Born in Japan.
- YouTube fame begins. Exact first-upload day is not pinned here.
- Dies at 18 after a lung adenocarcinoma diagnosis.
Current status
Died 6 September 2025 at age 18 of lung adenocarcinoma. The mugumogu channel remains as an archive.