Question: John Paul Chase was a longtime criminal associate of Fred Barker and which Depression-era gangster nicknamed "Creepy" for his sinister smile and called "Ray" by his gang members?
Sentence (from "Alvin Karpis"): Alvin Francis Karpis (born Albin Francis Karpavičius; August 10, 1907 – August 26, 1979), a Depression-era gangster nicknamed "Creepy" for his sinister smile and called "Ray" by his gang members, was a Canadian-born (naturalized American) criminal of Lithuanian descent known for being a leader of the Barker–Karpis gang in the 1930s.
Relevant evidence: Yes