Sydney is mostly a girls' name, but it is used for boys 4.31 percent of the time.
The Sigil of Lucifer, the symbol of Satan. A sigil is a magical symbol, a symbol believed to hold connections to a greater supernatural power. Sigils are often related to Religion.
Spare's theories for how and why personally created Sigil's work is a debatable topic, but is not important here. The subject of the current instruction is the sigil creation method, and is presented with a basic assumption that sigils created in this manner are effective magical tools when employed properly.