Peter David helped define the Matrix Supergirl, but even when DC was done with the character, he continued to tell her stories at a different company.
What is your favorite Peter David story in both Marvel Comics and DC Comics, and why? - Quora
Supergirl: Book One by Peter David
DC Comic Fallen Angel #20 July 2005 98/149 Signed Copies- Peter David (Creator)
Peter David's Spider-Man in the 1980's Reviews
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Fallen Angel (comics) - Wikipedia
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Of authenticity.
DC Comic Fallen Angel #20 July 2005 98/149 Signed Copies- Peter David (Creator)