Jona-beta means in slang: Jona-beta, the dark face, is resigned after suffering defeat in the Caste Wars and being exiled to the shadow realm along with Okonkwo his twin brother. His powers include shadow travel, merging into darkness, and emitting strong magnet fields from his body. This attracts all weapons owned by law enforcement. He is also the first to be on the affirmative actions list. (in Slang Dictionary, added by Roberto Iglesias)