Wrestler names explained: Tochiozan, Ichinojo, Chiyotairyu, Onosho, Okinoumi, Abi

Which wrestler's name might be a pun about his real name? And who is named after a baby?

tochiozan,ichinojo,chiyotairyu,onosho,okinoumi,abi,栃煌山,逸ノ城,千代大龍,阿武咲,隠岐の海,阿炎,