Satoshi (profile;u=3) = Bitcoin
Date Registered:   November 20, 2009, 03:12:39 AM
Last Active:   December 14, 2010, 12:45:41 AM

Claymore (u=306958) = Ethereum miner and other Altcoin miners
Date Registered: April 03, 2014, 07:29:01 AM
Last Active:   November 12, 2019, 02:37:41 AM

The evidence shows that their registered and last active time were both 'AM', I'd say that he's the same person.