Within the depth-psychology corpus treating the Tarot, the Fool occupies an exceptionally generative position: at once the inaugural and terminal figure of the Major Arcana, assigned the number zero, and understood as the very principle of movement, spontaneity, and psychic potentiality. Sallie Nichols reads the Fool through a fully Jungian lens, identifying him with the nascent self — not the constructed ego but the given ground of individuation — a ‘redemptive factor’ that propels the psyche toward self-knowledge even as it resists containment. Rachel Pollack emphasizes the Fool’s freedom from accumulated trauma and his embodiment of the zero-principle: total openness to the immediate situation, unbounded by hope or fear. Alejandro Jodorowsky situates the Fool as the luminous energic input that animates the four psychic centers and coordinates the entire Tarot corpus as an organic system. Karen Hamaker-Zondag, writing in an explicitly Jungian register, treats the Fool as a drive-figure dispatched by the unconscious, whose creative potential turns destructive when inflation or regression sets in. Hajo Banzhaf frames the Fool as the unlikely hero of individuation — paradoxically successful precisely because of naivety and openness. Across these positions, the central tension is between the Fool’s liberatory spontaneity and the psychological risk of unchecked regression; between the Fool as archetype of the self and as figure of the trickster. The court jester, the trickster Coyote, the Joker, and the circus clown are all brought into constellation with this archetype, marking its deep roots in cross-cultural symbolic life.