Koba kacha mma aha pụtara: Kechioma, Eji obi ụtọ, Enyịn, Iwe, Oge a. Nweta Koba pụtara aha.
Fireman kacha mma aha nna pụtara: Ifịk, Oge a, Obodo, Oké njọ, Enyi na enyi. Nweta Fireman pụtara aha nna.
Koba si malite aha mbụ. Diminutive of Iakob. Nweta Koba si malite aha mbụ.
Agakọta aha maka Koba na mba dị iche iche na-asụ asụsụ: Akiba, Akiva, Cobus, Coby, Coos, Giacobbe, Giacomo, Hagop, Hakob, Hemi, Iacobus, Iacomus, Iacopo, Iago, Iakobos, Iakopa, Ib, Jákob, Jaagup, Jaak, Jaakko, Jaakob, Jaakoppi, Jaap, Jacky, Jacob, Jacobo, Jacobus, Jacó, Jacopo, Jacques, Jae, Jago, Jaime, Jaka, Jakab, Jake, Jakes, Jakob, Jakov, Jakša, Jakub, Jákup, James, Jamey, Jamie, Japik, Jaša, Jaska, Jaume, Jaumet, Jay, Jaycob, Jaymes, Jeb, Jem, Jemmy, Jeppe, Jim, Jimi, Jimmie, Jimmy, Jockel, Jokūbas, Kapel, Kimo, Kobe, Kobus, Koby, Koos, Koppel, Kuba, Lapo, Séamas, Séamus, Seumas, Shamus, Sheamus, Sjaak, Sjakie, Yaakov, Yago, Yakiv, Yakov, Yakub, Yakup, Yankel, Yaqoob, Yaqub, Yasha. Nweta Koba na ndị ọzọ asụsụ.
Kasị nkịtị aha na aha ikpeazụ Fireman: Miranda, Leonel, Eliseo, Deshawn, Blossom. Nweta Aha na-aga na Fireman.
Ndakọrịta nke Koba na Fireman bụ 71%. Nweta Ndakọrịta nke Koba na Fireman.