| GUID | Player | Team | League | Division | Joined | Abandoned |
|---|---|---|---|---|---|---|
| *Jeff* | Most dangerous | CAL | Open | 2006-07-11 | 2006-07-18 | |
| JkRu.Jeff | j crew | CAL | DOTA Open | 2006-09-13 | 2007-01-01 | |
| dDrs.jeff | bab | Dead Dota'ers Society | CAL | DOTA Open | 2006-09-06 | 2007-01-01 |
| MACa.Jeff^L | MACa.Jeff^L | Mexican American Canadian Alliance | CEVO | Open | — | — |