Gero Gero no Mi

The Gero Gero no Mi is a Paramecia-type Devil Fruit eaten by an unnamed reader of the series. It was mentioned only in Oda's SBS questioning. "Gero" means "disgusting".

Usage
In a SBS question, the reader said that he/she ate a fruit, and from that moment on, no one came near him because he was so disgusting. Eiichiro Oda answered the question by saying it was the effects of the Gero Gero no Mi.