FORGE

Forge's mutant gift sounds simple — he invents things — but the mechanics of it are quietly bizarre. Introduced in Uncanny X-Men #184 (1984) by Chris Claremont and John Romita Jr., Forge perceives mechanical energy directly: he can look at a machine and see what it does, what it could do, and what it wants to become. His hands simply keep up with what his eyes already understand.

The strange part is where the engineering happens. An ordinary genius — a Reed Richards, a Tony Stark, a Victor von Doom — works through theory and design in conscious, deliberate steps. Forge's subconscious performs most of those steps for him. The finished device arrives in his hands with the reasoning already done, somewhere below the level of thought, which means Forge himself is sometimes not fully aware of how he built what he is holding.

So the X-Men's master maker has a maintenance problem no other inventor shares: to understand, repair or reproduce his own creations, he often has to disassemble them first and reverse-engineer his own work like an archaeologist studying a stranger's artifacts. The most advanced workshop on the team belongs to a man who occasionally needs his inventions explained to him — by himself, with a screwdriver.