| Author | Number of Reports |
| ZACC | 1 |
| Zach | 6 |
| Zack_29 | 1 |
| zacman1970 | 2 |
| zaf2990 | 19 |
| zaid123 | 1 |
| zakki04 | 1 |
| zalaman | 2 |
| zamora | 2 |
| zamyatin | 1 |
| zappa | 1 |
| Zappafan | 1 |
| zapper | 4 |
| zarevic | 1 |
| Zayne | 2 |
| Zeb | 1 |
| zebadee | 1 |
| zebede | 2 |
| zeberdee007 | 1 |
| zeddy | 1 |
| zedhead | 3 |
| zedman | 1 |
| zedney | 2 |
| zeff07 | 2 |
| zelig | 1 |
| zembit | 1 |
| zenek | 4 |
| Zero | 1 |
| zerographer | 2 |
| ZeroMax | 1 |
| zeugma | 1 |
| Zeus | 1 |
| Zeus_dawg | 9 |
| zextrom | 2 |
| zico | 16 |
| Ziggy Stardust | 2 |
| Zigmund | 3 |
| zigzag | 1 |
| zigzagbeard | 1 |
| zimblast | 1 |
| zimchris | 1 |
| zimmerframe69 | 11 |
| zinco111 | 1 |
| ZINDABAD | 4 |
| Zingaro | 5 |
| Zinger | 1 |
| zipfel | 2 |
| zipgun | 1 |
| zipplobb | 13 |
| Zippy | 19 |
| Zippy Zap | 3 |
| zipster | 2 |
| zircon_encrusted_tweezers | 3 |
| zithromax | 3 |
| zitto | 1 |
| Zman | 4 |
| zokko | 2 |
| zoo1000 | 3 |
| zooloo2uk | 1 |
| zoomy | 1 |
| zoooom | 1 |
| zorba_the_geek | 1 |
| zornoid13 | 1 |
| Zorro2 | 1 |
| Zorro666 | 4 |
| zozo | 1 |
| Zuffler | 1 |
| zulu warrior | 2 |
| Zuluman | 1 |
| zune | 1 |
| zx | 3 |
| Zx-9 | 1 |
| zylofone | 51 |
| zzzero21 | 1 |
| zzzuser | 1 |