It was 3:48 on the morning of October 31st when the victim, a 62-year-old taxi driver, picked up the suspect and a female companion at Front and Spring Garden streets.
The driver took them to a 7-Eleven on the 5800 block of Ridge Avenue where the pair went inside and made a purchase in the store.
Police say when they exited the store they walked away from the taxi without paying the fare.
When the taxi driver said he was calling the police, the suspect allegedly punched him in the face and fled.
The suspect is described as a white male, early to mid-20s, 5'8-5'9, dark hair, stocky build, wearing a red colored "Incredibles" costume.
The taxi driver was treated at Roxborough Hospital for a laceration to his face.
If you see this suspect do not approach, contact 911 immediately.
To submit a tip via telephone, dial 215.686.TIPS (8477) or text a tip to PPD TIP or 773847. You can also use this electronic form to submit a tip anonymously. All tips will remain confidential.