Political trolls (propagandists):

https://bitcointalk.org/index.php?action=profile;u=23324
https://bitcointalk.org/index.php?action=profile;u=102276
https://bitcointalk.org/index.php?action=profile;u=42514
https://bitcointalk.org/index.php?action=profile;u=112138
https://bitcointalk.org/index.php?action=profile;u=189471
https://bitcointalk.org/index.php?action=profile;u=163342
https://bitcointalk.org/index.php?action=profile;u=133293
https://bitcointalk.org/index.php?action=profile;u=156665
https://bitcointalk.org/index.php?action=profile;u=366987
https://bitcointalk.org/index.php?action=profile;u=72092
https://bitcointalk.org/index.php?action=profile;u=53816
https://bitcointalk.org/index.php?action=profile;u=355801
https://bitcointalk.org/index.php?action=profile;u=96407
https://bitcointalk.org/index.php?action=profile;u=459043
https://bitcointalk.org/index.php?action=profile;u=290159
https://bitcointalk.org/index.php?action=profile;u=146569
https://bitcointalk.org/index.php?action=profile;u=249894
https://bitcointalk.org/index.php?action=profile;u=115966
https://bitcointalk.org/index.php?action=profile;u=290159

Perhaps there are still many non-active, less active.