I wasn't sure if I should put it here or Help and Support. I didn't put it in Help and Support because I know how to fix it (log in as a 1.8 profile.) I just wanted to share this for fun. Enough said. Lol this looks so weird, this is what happened when I logged in EMC in 1.7.9 for the first time (today, around like 7:30 - 7:40pm, EST).
This isn't an EMC glitch, it is an Minecraft glitch. Can't remember the exact version (Seems you use 1.7.9) where this happens though.
This is a resource pack texture reading issue, 1.8 uses a different skin texture to recognize Steves, Zombies, et cetera. You'll need to get a resource pack compatible with a 1.7 version to fix the skins.