Voodoo Child resembles a humanoid rat. It is 2 meters in length, including a tail 1 meter in length. The stand has a generally human-like body, with scrawny arms and big, clawed feet. Down the middle of its head and on the sides of its arms are lined jewels. The head is slightly shaped like a rat's, with large protruding hollow eyesockets, and possibly a small lower jaw. Two spikes on the top of its head are akin to ears. Soft looking downy regions cover its chest and pelvic region. Metal-like plating rims its wrists, hands, ankles and feet, with similar triangles on each knee. The stand's tail is long and segmented, with upward protruding spikes on each section.
Repeating Lips: Whenever Voodoo punches, a pair of lips appears. These lips then repeat whatever was said by anyone that was near the punched location, similar to a planted recording device. The lips will take the appearance of the mouth of whoever has spoken.
If Voodoo Child punches someone, the lips on the target will draw out their deepest secret and openly repeat it, causing emotional damage, and possibly death depending on the target person's mental strength.
The lips operate as a normal mouth would, giving them the ability to bite or pull on objects. Voodoo Child can create as many lips as desired.
- Voodoo Child is the first novel-only Stand to have a Battle Cry.
- The sound it makes when it attacks is 「エリエリエリエリ」 (Erierierieri).