Kano / CK uses some Anime character's name for each shift I believe.  It's not really anyone's usernames.

Example below -  Elen didn't hit a block.  I'm dissapointed at her.

Shift   Start UTC   Length   Your Diff   Inv Diff   Avg Hs   Shares   Avg Share   Rewards   Rewarded*   PPS%
64yrg kosaki    Mar-06 16:01:59   27m 43s   13.024M   27.665k   33.63THs   3.621k   3,596.75   1   0.00316   19.99%
64yo7 juvia   Mar-06 15:13:22   48m 38s   21.794M   3.887k   32.08THs   6.248k   3,488.16   1   0.00316   19.99%
64ygh ichiko   Mar-06 14:26:40   46m 42s   683.347M   2.136M   1,047.48THs   5.567k   122,749.56   1   0.00316   19.99%
64yb2 hitagi   Mar-06 13:39:12   47m 27s   1.097G   267.838k   1,655.11THs   8.974k   122,266.34   1   0.00316   19.99%
64y5g gin   Mar-06 12:51:42   47m 30s   1.988G   1.970M   2,995.70THs   16.163k   122,989.42   1   0.00316   19.99%
64xxw felli   Mar-06 12:04:39   47m 3s   1.934G   2.154M   2,941.87THs   14.428k   134,035.09   1   0.00316   19.99%
64xsf elen   Mar-06 11:17:00   47m 39s   2.121G   2.601M   3,185.90THs   15.204k   139,489.28   1   0.00316   19.99%
64xms darkchii   Mar-06 10:26:46   50m 13s   2.286G   7.406k   3,258.22THs   16.397k   139,420.19   1   0.00316   19.99%
64xew charlotte   Mar-06 09:39:03   47m 43s   2.194G   1.724M   3,290.86THs   15.703k   139,713.87   1   0.00316   19.99%
64x9c belldandy    Mar-06 09:17:37   21m 26s   897.762M   3.216M   2,999.08THs   7.241k   123,983.18   2   0.00627   39.74%
64x6t akatsuki   Mar-06 08:34:12   43m 26s   978.050M   1.982M   1,612.01THs   9.814k   99,658.69   2   0.00627   39.74%