The publisher
Jackie Kowalski
Alias: Jack Phantom
Eyes: Brown
Hair: Black
Race: Metahuman
Occupation: Police officer at Top 10 precinct
Identity: Publicly known
Group affiliation: Top 10
Base of operations: Neopolis
Story: Jackie Kowalski is a police officer at Top 10.
Skills & abilities: Jackie has the ability to turn herself immaterial and thus move through solid objects.
Continuity: America's Best Comics
Company: America's Best Comics
WildStorm
DC Comics
First app.: Top 10 #1 (1999)DC Comics
Creator(s): Alan Moore
Gene Ha
Country of origin: USA 
Cross cultural references:
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Tinya Wazzo/Phantom Girl from the pre-crisis Legion of Super-Heroes; same type of powers
Tinya Wazzo/Apparition from the Legion of Super-Heroes, Glorithverse timeline, Batch SW6; same type of powers
Tinya Wazzo/Phantom Girl from the 2005 reboot version of the Legion of Super-Heroes; same type of powers
Tommy Rourke/Phade from Image/Top Cow; same type of powers
Tinya Wazzo/Phantom Girl from the pre-crisis Legion of Super-Heroes; same type of powers
Tinya Wazzo/Apparition from the Legion of Super-Heroes, Glorithverse timeline, Batch SW6; same type of powers
Tinya Wazzo/Phantom Girl from the 2005 reboot version of the Legion of Super-Heroes; same type of powers
Tommy Rourke/Phade from Image/Top Cow; same type of powers