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- Week 17, 2006
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- Joe Quesada/Editor-in-Chief
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- Layla Miller (Earth-616)/Appearances
- Julio Richter (Earth-616)/Appearances
- Guido Carosella (Earth-616)/Appearances
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- Singularity Investigations (Earth-616)/Appearances
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X-Factor Vol 3 6
X-Factor (Vol. 3) #6
LGY:X-Factor #155Previous Issue Next Issue X-Factor (Vol. 3) #5 X-Factor (Vol. 3) #7 
Alternate Covers
All1Marvel Unlimited
Release Date
Issue Details
Editor-in-Chief
1. "The Butterfly Defect"
Writer(s)
Penciler(s)
Inker(s)
Colorist(s)
Letterer(s)
Editor(s)
—Multiple ManThis is allLayla's fault.
Appearing in "The Butterfly Defect"
Featured Characters:
Supporting Characters:
- Mrs. Charnoff(First appearance)
- Doctor Castillo
Antagonists:
Other Characters:
- Mr. Miller(Only in flashback)
- Mrs. Miller(Only in flashback)
- Professor X (Charles Xavier)(Mentioned)
Races and Species:
Locations:
Vehicles:
- Castillo's Pet Shampoo Van(First appearance)
Synopsis for "The Butterfly Defect"
- Synopsis not yet written
Notes
- This is the first time (and one of the only times)Layla Miller uses the name Butterfly. This is both a pet name from her father and a codename in reference to her own ability to change events because she "knows stuff".
Trivia
- The last pages of this issue are possibly the first time we seeLayla Miller'sReincarnation power.



