Go to Admin CP > Users > Banning > Banned Users
Then, edit the second user from the top on that list, don't need to make any changes, just hit ban user again.
You'll notice the first user of the list is now showing up funny like so:
I'm not too concerned about this bug, since it is back-end only, as far as I'm aware of. However, I'm reporting it anyways since I'm not sure if the same effect is carried into other sections of the ACP, or if it leaks into the front end.
I'm still using 1.0.1, will update to 1.0.2 and try this again.