I also looked at these 12 accounts, 2 connected with the same ETH address, But others are connected with Campaign Name: Ledder. So, I also suspect that these 12 accounts, maybe Alt accounts. And the 12 accounts also register on one Twitter and Facebook campaign, together.
ETH address: 0xCa3AFFa4eDe10966A8Ed665bBB913a3C742A9e28
Miscellaneous:
2 accounts have been banned, 1 again continues to play in twitter and facebook campaigns. Previously (Muhammedb) already got a red tag. (muhammedb) [] Trust: [] This user is a lazy, one-line shitposter who cannot write in English and who should never be allowed to join a sig campaign. Avoid like the bubonic plague.