▁created ▁the ▁fake ▁Greek ▁letter ▁" F u " ▁because ▁he ▁believed ▁that ▁all ▁possible ▁Greek ▁names ▁had ▁been ▁used . ▁The ▁initial s ▁" DF G " ▁also ▁refer ▁to ▁" De af ▁F rat ▁Guy ". ▁De af ▁F rat ▁Guy ▁first ▁appeared ▁on ▁January ▁ 2 4 , ▁ 2 0 0 6 . ▁ ▁F ake ▁Jack ▁Silver . ▁ ▁At ▁the ▁beginning ▁of ▁the ▁second ▁segment ▁of ▁every ▁show , ▁a ▁par ody ▁of ▁K LS X ▁Program ▁Director ▁Jack ▁Silver ▁takes ▁place ▁after ▁the ▁commercial ▁break . ▁F ake ▁Jack ▁Silver ▁is ▁vo iced ▁by ▁sound ▁effects ▁engineer ▁Bry an ▁Bishop , ▁as ▁mentioned ▁on ▁the ▁December ▁ 1 4 , ▁ 2 0 0 6 ▁show . ▁F ake ▁Jack ▁Silver ▁frequently ▁mentions ▁stay ing ▁" hip " ▁with ▁younger ▁listen ers ▁and ▁tal ks ▁about ▁watching ▁the ▁ratings ▁" need le " ▁drop , ▁or ▁refers ▁to ▁" radio - k rypt on ite " ▁when ▁a ▁b oring ▁bit ▁or ▁caller ▁is ▁on ▁the ▁air . ▁F ake ▁Jack ▁Silver ' s ▁biggest ▁concern ▁is ▁being ▁port rayed ▁as ▁hom osex ual , ▁and ▁thus ▁the ▁last ▁thing ▁he ▁usually ▁says ▁is , ▁in ▁a ▁str essed ▁voice , ▁" Not ▁gay !" ▁ ▁This ▁segment ▁has ▁not ▁appeared ▁since ▁ 2 0 0 8 . ▁ ▁Pe an ut . ▁This ▁inter mitt ently ▁appearing ▁character ▁( vo iced ▁by ▁David ▁Alan ▁G rier ), ▁is ▁a ▁black ▁woman ▁ost ens ibly ▁h