High Five Ghost

Hi Five Ghost, also spelled as High-Five Ghost, and nicknamed Hi Fives, HFG, or Fives is one of the characters in Sonic Cinematic Universe. Hi Five Ghost is a ghost who works alongside Mordecai and Rigby as a groundskeeper at The Park. Just like Muscle Man, he loves pranking Mordecai and Rigby, but doesn't take it as seriously. Hi Five Ghost almost never speaks, but when he does, he is voiced by J.G. Quintel.