Crossword clues for X x X 7 letters:CEREBROProfessor X's mutant-finding device in "X-Men"EXTREMEX, as in X GamesOCTUPLEDouble x double x doubleMALCOLM__ XIMAGERSX-ray machines, e.g.JOHNDOEMister XPETSCANX-ray alternativeRATINGSX, R, G, et al.SARGENTMadame X painterCATSCANKind of x-ray imageDENMARKChristian X's landUNKNOWNX, in algebraBANSHEEIrish X-Man with a sonic screamMUTANTSThe X-Men, notablyUSSTEELCorporation whose NYSE ticker symbol is XPREQUELX-Men: First Class, for oneMALCOLMMr. XMAGNETOX-Men villainSTRYKERX-Men colonel whose name sounds like he goes around hitting people (he's really more of an armchair bigot)TENFOLDx 10MAGNETOX-Men villain whose mind can control metal objectsTIMEHOPApp that reposts your old "on this day X years ago" posts on social mediaSARGENTMadame X portraitist John SingerGILLIANShe plays Dana on "The X-Files"CATSCANType of x-rayINSIDESX-ray subjectALGEBRAx + y = z studySARGENTMadame X painter John SingerHEYZEUS1993 X album with a terrible Greek god pun in its titleSARGENTMadame X portraitistRONTGENPhysicist Wilhelm who discovered X-raysKNEEPADBit of X-Games gearMUTANTSThe X-Men, famouslyMALCOLMX, e.g.SALTIREX-shaped crossASHMOREShawn who plays Iceman in the "X-Men" filmsMONTERO___ (Call Me By Your Name) (song off of the album "___" by ___ Lamar Hill aka Lil Nas X)SEEINTOX-ray, perhapsUNKNOWNLike XCANCELSPuts an "X" throughDOGGETTX-Files agent who sounds like what you do if you're a slackerSTRIKESAlley X'sDIVISORIn x ÷ y, yUSSTEELIts stock symbol is XEROTICAX-rated materialSTANLEECreator of the X-MenGILLIANAnderson of "The X-Files"CEREBRODevice created collaboratively by Professor X and MagnetoPILEGGIHe's Skinner on "The X-Files"CATSCANCertain x-ray