Ghouls are the grunts of the Phantoms and antagonists in Kamen Rider Wizard.
They are spawned from magic stones resembling Ghouls. Unlike normal Phantoms, Ghouls are not created from Gates are not as strong.
Movie War Ultimatum
Kamen Rider Heisei Generations FOREVER
Ghouls appeared as soldiers in the massive army of revived Heisei grunts summoned by Tid as part of his plan to take over the world. However, the army was combated by Kamen Riders Build, Cross-Z, Zi-O and Geiz, as well as a gathering of the other 18 Heisei Kamen Riders.
Kamen Rider Zi-O
Ghouls appeared as part of Swartz's Army of past enemies of the Kamen Riders formed due to Swartz merging all of the alternate timelines together.