Calcifer (カルシファー , Karushifā) is a fire demon that fuels Howl's Castle, as seen in the film, Howl's Moving Castle. Calcifier appears as a living ball of fire with eyes and a mouth. He is usually orange-yellow in color, but this appears to change with his emotions and size. Calcifier's size also changes depending on the type and amount of fuel he is running on. Calcifer is bound to the confines of Howl's Castle after he struck a deal with Howl years prior. He later strikes another magical bargain
Calcifer, Ghibli Wiki
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Howl's Moving Castle (Anime) - TV Tropes
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Calcifer, Wiki
Calcifer, Wiki
robertsapunarich Looks like [Calcifer]( Calcifer) has taken up residence. 🔥
kiki, sophie, calcifer, and heen (studio ghibli and 2 more) drawn by dav-19
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Calcifer, Howl's Moving Castle Wiki
Calcifer Comics - Comic Vine