John Thomas was a Welsh mystic of the late 19th century.
As a young man John Thomas studied for the Christian ministry, but ultimately followed occult and psychic interests.
Writings Adopting the pseudonym "Charubel", he published numerous books and was editor of several esoteric periodicals. He co-authored Degrees of the Zodiac Symbolised with the much younger mystic and astrologer Sepharial (Dr Walter Gorn Old).
He developed a set of occult symbols that he is known for. These were first published in Alan Leo's Astrologer's Magazine in 1893.
He used the professional name "Charubel" to practice, claiming to be a clairvoyant, occultist and healer.