 
Real name: Sheridan Gregory Campbell
Occupation: Graduate student 
Identity: Publically known 
Legal status: Citizen of the U.S. with no criminal record
Other aliases: None
Place of birth: Orange, New Jersey
Marital status: Single
Known relatives: Parents, brother Jay, sister-in-law 
Carol, nephew Milt  
Group affiliation: Columbia University.  He is also a 
Yankees fan.  
Base of operations: He would probably consider his lab in 
the chemistry department his base of operations.
First appearance: 2001
History:
Sheridan is a long-time mutant who is being blackmailed by a mysterious person who is holding Sheridan's (and his brother's) teenage criminal activity over him. Although Sheridan had "gone straight" in the intervening years, he now is being forced to undertake covert and sometimes illegal activities for someone he doesn't even know.
 
Height: 6'1"    Weight: 
Eyes: Brown     Hair: Brown
Unusual physical characteristics: Sheridan's enhanced body 
chemistry has given him essentially a perfect human body, including 
strength, stamina, dexterity and speed. He's good looking but lacks 
the charisma to really put it to good use. 
Strength level: Exceptionaly good but not superhuman.
Known superhuman powers: Sheridan is able to analyze chemicals 
by touching them, has preternaturally good body chemistry and can alter 
that body chemistry in small ways.
Other abilities: Sheridan is a brilliant chemist and 
scientist. He's not very good with people.
Weapons and paraphernalia: None
Other notes: None