The ut2k4mdlpopo.zip file you have requested: Skins / Animals and Monsters / Popo - 4.32mb is not available. Perhaps try browsing all files for the game Unreal Tournament 2004 and upload any files you want to share or are missing. This is the only information we could locate:
Another great addition for your favorite game is in town. Its Popo, by Hide. It comes with three different versions (no shield, half shield, full shield) and 4 teamcolors.