Yu-Gi-Oh in English means "Game King".
The Ancient Chant for The Winged Dragon Of Ra card is: "All mighty protector of the sun and sky. I beg of thee, please heed my cry. Transform thyself from orb of light and bring me victory in this fight. I beseech thee, grace our humble game but first I shall call out thy name: Winged Dragon Of Ra."
In Season 1, there were many issues when comparing the card game in the show to how the card game had to be completed. This included players calling out attacks during their opponents turn, adding spell/traps during their opponents turn, attacking with monsters already on the field then attacking then summoning another monster and attacking again.
Yugi is the first person to ever bluff another duelist. He bluffed against Mai.
The only time we hear Yami Yugi's real name is in the last season.