Gregg Halliday
A one shot character from a Superman story during the pre-Crisis universe.
Name:
Gregg Halliday
Publisher:
Real name:
Snark McGill
Aliases:
- Snark McGill
Birth date:
None
Gender:
Male
Powers:
- Intellect
First issue:
A con man who was posing as a banker in Smallville. He took the alias Gregg Halliday and was trying to cut in on Martha Clark and her boyfriend Johnathan Kent.
