INHUMANS (1978)
art by George Pérez
from anthonyscomicbookart.com

MEDUSA (Apr 2015)
art by George Perez at MEGACON 2015, Jae Lee, Brandon Peterson, Khary Randolph, Tom Raney, Matthew Clark, and Ryan Stegman
from Gary Clute

BLACK BOLT (21 Jun 2015)
art by Pérez at AMAZING LAS VEGAS COMIC CON 2015
from sarowfloww

BLACK BOLT (Feb 2012)
art by Pérez at LONDON COMIC CONVENTION 2012
from James Lundy

BLACK BOLT (200?)
art by George Pérez
from comicartfans.com

MEDUSA (2004)
art by George Pérez

BLACK BOLT (2007)
art by Pérez
from anthonyscomicbookart-online

BLACK BOLT (Oct 2013)
art by George Pérez, colors by Tom Smith at NY COMIC-CON 2013
from dolomitex

BLACK BOLT AND MEDUSA (2009)
art by George Pérez

MEDUSA (Mar 1978)
art by George Perez at NY COLONNADE AUDITORIUM 1978
from bigbangantiques

KARNAK THE DUCK (1976), art by George Perez and Joe Sinnott, from Mark Levy

INHUMANS (2002), art by George Perez, from tellshiar

MEDUSA (1979?), art by George Perez, from dearlenbaugh

BLACK BOLT (2007), art by George Perez, from Perez Fan

BLACK BOLT (1979?), art by George Perez, from Michael Lovitz

CRYSTAL (2009), art by George Perez, from John Popa

MEDUSA & BLACK BOLT (1993), published in MARVEL SWIMSUIT SPECIAL #2 (1993), from photontorpedoes

MEDUSA and BLACK BOLT (1993), published in MARVEL SWIMSUIT SPECIAL #2

SPECTRA (character design) (1975), From Comics Fun: Gallery of Unpublished Art, to appear in INHUMANS #3 (Feb 1976)

INHUMANS (Nov 2002), art by George Perez, from Lynch.