https://bitcointalksearch.org/user/asdkzxn199-1989239 asdkzxn199 March 30, 2018
https://bitcointalksearch.org/user/asjdhjnz86-1989087 asjdhjnz86 March 30, 2018
Then this one also on the same campaign posted right after:
https://bitcointalksearch.org/user/alicesmith38-1986137 alice.smith38 March 29, 2018
I then noticed there's a slew of Junior Members that all sign up in a row on their spreadsheet with similar names and sign up dates:
https://docs.google.com/spreadsheets/d/1_wN9rvFkuoSZL_IAUBv40HUtkjuPqqkkxBucJUqnDaw/edit#gid=150177077
https://bitcointalksearch.org/user/beautygirl816-2001042 beautygirl816 April 03, 2018
https://bitcointalksearch.org/user/annawill3-1985796 annawill3 March 29, 2018
https://bitcointalksearch.org/user/hoasdnz77-1989102 hoasdnz77 March 30, 2018
https://bitcointalksearch.org/user/ofounz98712-1988880 ofounz98712 March 30, 2018
https://bitcointalksearch.org/user/haipzh99999-1988405 haipzh99999 March 30, 2018
https://bitcointalksearch.org/user/phsan12888-1989707 phsan12888 March 31, 2018
https://bitcointalksearch.org/user/haithomocduong-1988510 haithomocduong March 30, 2018,
https://bitcointalksearch.org/user/banhtrnag9999-1988575 banhtrnag9999 March 30, 2018,
https://bitcointalksearch.org/user/adutlf88xn-1988723 adutlf88xn March 30, 2018,
https://bitcointalksearch.org/user/asd12123162-1988381 asd12.123162 March 30, 2018
https://bitcointalksearch.org/user/hasbdzb8382-1989727 hasbdzb8382 March 31, 2018
https://bitcointalksearch.org/user/dasyzon2666-1988959 dasyzon2666 March 30, 2018, banned
https://bitcointalksearch.org/user/a23sd12122121-1989152 a23sd12122121 March 30, 2018
https://bitcointalksearch.org/user/dasniz888-1988466 dasniz888 March 30, 2018
https://bitcointalksearch.org/user/banhmicohaiz88-1988561 banhmicohaiz88 March 30, 2018
https://bitcointalksearch.org/user/yourselfe99z9-1988662 yourselfe99z9 March 30, 2018
https://bitcointalksearch.org/user/diepvien98712-1988870 diepvien98712 March 30, 2018
I don't think this is a coincidence.