Gregg Schigiel

Batman and the Missing Punchline

Batman and the Missing Punchline

Year unknown Michael Steele and Gregg Schigiel

Batman and the Morphing Movie Star

Batman and the Morphing Movie Star

Year unknown Michael Anthony Steele and Gregg Schigiel

Bat-Mite's Big Blunder

Bat-Mite's Big Blunder

Year unknown Paul Kupperberg, Gregg Schigiel, and Lee Loughridge

Bubbly beats

Bubbly beats

Year unknown

Catwoman Counting

Catwoman Counting

Year unknown Benjamin Bird and Gregg Schigiel

Deadly Dream Machine

Deadly Dream Machine

Year unknown J. E. Bright, Gregg Schigiel, and Lee Loughridge

Five Riddles for Robin

Five Riddles for Robin

Year unknown Michael Dahl, Gregg Schigiel, and Lee Loughridge

Flash and the Storm of the Century

Flash and the Storm of the Century

Year unknown Michael Steele and Gregg Schigiel

How to draw the best of Nickelodeon

Year unknown Steve Crespo, Heather Martinez, and Gregg Schigiel

How to draw the Fairly OddParents

Year unknown Walter Foster (Firm) and Gregg Schigiel

How To Draw The Fairly Oddparents

Year unknown Walter Foster (Firm) and Gregg Schigiel

Learn to draw the best of Nickelodeon

Year unknown Steve Crespo, Shane L. Johnson, Heather Martinez, Warner McGee, Nino Navarra, and Gregg Schigiel

Mad Hatter's Movie Madness

Mad Hatter's Movie Madness

Year unknown Donald Lemke, Matthew K. Manning, Gregg Schigiel, and Lee Loughridge

My Frozen Valentine

Year unknown Eric Fein, Gregg Schigiel, and Lee Loughridge

Pix

Year unknown

Pix

Year unknown

Revenge of Clayface

Revenge of Clayface

Year unknown Eric Stevens, Gregg Schigiel, and Lee Loughridge

Robin's First Flight

Robin's First Flight

Year unknown Robert Greenberger, Gregg Schigiel, and Lee Loughridge

Shrinking City

Shrinking City

Year unknown Michael Dahl, Gregg Schigiel, and Lee Loughridge

SpongeBob's Very Grown-Up Colorin...

SpongeBob's Very Grown-Up Coloring Book

Year unknown Random House and Gregg Schigiel

Supergirl and the Man of Metal

Supergirl and the Man of Metal

Year unknown Laurie S. Sutton and Gregg Schigiel

Superman and the Apokolips Attack

Superman and the Apokolips Attack

Year unknown Ivan Cohen and Gregg Schigiel

Superman and the Invasion of Earth

Superman and the Invasion of Earth

Year unknown Steve Korté, Dario Brizuela, and Gregg Schigiel

Superman and the Mischief on Mars

Superman and the Mischief on Mars

Year unknown Steve Korté, Dario Brizuela, and Gregg Schigiel

Superman and the Showdown at Saturn

Superman and the Showdown at Saturn

Year unknown Steve Korté, Dario Brizuela, and Gregg Schigiel

Superman and the Trials of Jupiter

Superman and the Trials of Jupiter

Year unknown Steve Korté, Dario Brizuela, and Gregg Schigiel

Uniquecorns

Uniquecorns

Year unknown

Wonder Woman and the Pandora Plot

Wonder Woman and the Pandora Plot

Year unknown Ivan Cohen and Gregg Schigiel

Zooperhero Universe

Zooperhero Universe

Year unknown