| # | Name | Region | Date |
|---|---|---|---|
| 501 | Anonymous | Greece | Jun 11, 2018 |
| 502 | Anonymous | Greece | Jun 11, 2018 |
| 503 | Anonymous | Greece | Jun 11, 2018 |
| 504 | Anonymous | Greece | Jun 11, 2018 |
| 505 | Manos Psathas | Greece | Jun 11, 2018 |
| 506 | Anonymous | Greece | Jun 11, 2018 |
| 507 | Anonymous | Greece | Jun 11, 2018 |
| 508 | Tony Dimoh | Greece | Jun 11, 2018 |
| 509 | Anas Doukas | Greece | Jun 11, 2018 |
| 510 | Kostas ploumis | N/G | Jun 11, 2018 |
| 511 | Anonymous | UK | Jun 11, 2018 |
| 512 | Achilleas Kotsoglou | Greece | Jun 11, 2018 |
| 513 | Anonymous | Greece | Jun 11, 2018 |
| 514 | Ioannis Karytinos | Greece | Jun 11, 2018 |
| 515 | Alex Chronopoulos | Greece | Jun 11, 2018 |
| 516 | Stelios Bouras | Greece | Jun 11, 2018 |
| 517 | Anonymous | Greece | Jun 11, 2018 |
| 518 | Kosmas Kapsalis | Greece | Jun 11, 2018 |
| 519 | Anonymous | Indonesia | Jun 12, 2018 |
| 520 | Konstantinos Karyotis | Greece | Jun 12, 2018 |
| 521 | Vasilis Galanopoulos | N/G | Jun 12, 2018 |
| 522 | DIMITRIOS MAIROPOULOS | Greece | Jun 12, 2018 |
| 523 | Anonymous | Greece | Jun 12, 2018 |
| 524 | Anonymous | Argentina | Jun 12, 2018 |
| 525 | Anonymous | N/G | Jun 12, 2018 |
| 526 | Vasileios Skordos | Greece | Jun 12, 2018 |
| 527 | Anonymous | Greece | Jun 13, 2018 |
| 528 | Anonymous | Greece | Jun 13, 2018 |
| 529 | Anonymous | Greece | Jun 14, 2018 |
| 530 | Anonymous | Greece | Jun 14, 2018 |
| 531 | Dimitrios Papazois | Greece | Jun 14, 2018 |
| 532 | Anonymous | Greece | Jun 16, 2018 |
| 533 | Savvas Ntagkinis | Greece | Jun 17, 2018 |
| 534 | Anonymous | Greece | Jun 18, 2018 |
| 535 | Anonymous | Belgium | Jun 23, 2018 |
| 536 | Bill Savidis | Greece | Jun 23, 2018 |
| 537 | Anonymous | UK | Jun 23, 2018 |
| 538 | Nikos Diakoumogiannopoulos | Greece | Jun 23, 2018 |
| 539 | Scott Tyson | UK | Jun 23, 2018 |
| 540 | Anonymous | Greece | Jun 23, 2018 |
| 541 | Nikolas Tsakas | Cyprus | Jun 23, 2018 |
| 542 | kostas triantafullidis | Greece | Jun 23, 2018 |
| 543 | Anonymous | Greece | Jun 23, 2018 |
| 544 | Rodrigo Alves | Portugal | Jun 23, 2018 |
| 545 | Nikos Chardalias | Germany | Jun 23, 2018 |
| 546 | Anonymous | Greece | Jun 23, 2018 |
| 547 | Victor Forlidas | Greece | Jun 23, 2018 |
| 548 | Vassilis Papadopoulos | Greece | Jun 23, 2018 |
| 549 | Anonymous | Portugal | Jun 23, 2018 |
| 550 | Anonymous | Greece | Jun 23, 2018 |
- S/C/P - State, County or Province
- Dates displayed in the signature list are based on UTC/GMT
- Anonymous signatures signify people who have chosen not to display their names publicly
- A comment in gray indicates that the signer has hidden their comment from public view