There were three guys imitating dennis's name on the server. Here's the SB_Status for 'em, I'm sure you can figure out who is dennis and who isn't via steam id:

0: hostname: GunGame MOD+ 100tick| IBIS | FAST DL | PsychoStats
1: tcp/ip: 208.43.70.233:27015
2: licenseid: 12354
3: os: W
4: logged in: yes
5: time: Wed Jan 06 02:06:49 2010
6: anti-cheats: VAC2
7: map: gg_temple_arena 15 active (21 max)
8: crc: c27c8d20
9: signature: SBSRC 400/91 MPzHArjU5rEJ6U3578q98xnEhYz3ymSNPIBdBj/2y2w=
10:
11: steam name key
12: -------------------------------------------------------
13: STEAM_0:0:22260482 - |STFU Bitch| - ESTYEFYU 9bw5W7W2hLnjXpSHefTrnC19U6+XP0LWTm4YVWRhp8x8WJp+JZ sJyw==
14: STEAM_0:1:13036915 DeadEyeDeNNi$*<ibis.a> B26DJ1aDdDnbYfwaUMODep3QZKvzhV9TJo0T44tKxDW/EbYRXGu1Xg==
15: STEAM_0:0:20718379 pooh Ee+jZxA76iTA1hzmsauuOA==
16: STEAM_0:0:8069401 {US}Fireye nzKBWGHN+y/lnVWdSVM7ieujlxt5XcIk
17: STEAM_0:1:546157 Snoochie Boochies nu72KlaFUKIWZ1xBzfrV9/M5NfdIoQUYD/VBos5dTT0=
18: STEAM_0:0:10221811 DeadEyeDeNNi$* <ibis.a>* KKI2GwtfmpQ9rVD9uUApqtfxRQ04TrXBfd3FcooSrkq/WTX/iBnx9A==
19: STEAM_0:0:15673082 HELLTAGE ec9cvpVLoiOqLsR2KL1ktVYM1SfbylSB
20: STEAM_0:1:14457346 ParA-NoiA mmT0WMC49WiYTxF/WpEG/uHxqWi0imY7
21: STEAM_0:0:10366168 SanTa_ uUjVWOLgjNTwe2Yg7aIM039fnpQwM7Vf
22: STEAM_0:1:26503192 DeadEyeDeNNi$ <ibis.a> bmxU4yFOXrVUTi8C2JHtBm7lTGBlyAj/OWSgxkZj2p3Drd04026IHA==
23: STEAM_0:0:9352572 DeadEyeDeNNi$*<ibis.a>* j+QezVgToEk+JqCw5+CzgdUO7PdTUZrtDWGgAQNW2uWL7Q48KP LA0Q==
24: STEAM_0:0:28937595 {N.W.S.A}RICK JAMEZ BITCH(HH) vdFGvQ64bOnZdzeNRAI6iiz0XA5BPr8lXQVk/0bbj9Udy24rbLGOOQ==
25: STEAM_0:0:5695507 §7ΣÅMÆΓ mzR0m2pOC+r+VSHB8b0jMS4b8au5RMW9
26: STEAM_0:0:12349740 unnamed YyKhdkYCXQg2N5a6O8obDh35Pynglhx8
27: STEAM_0:0:7888504 DARKSILENTARROW UqqGE5GYXy+HesV+wbaUC0uxUmNBuMLHNe/BQNuLIm4=
28:
29: 15 users currently active (/n70UeBef3CfMU55xnl32jnz7rY=:gE5V7fgr2YQ=)