Yes, the name Arisu is the Japanese phonetic version of Alice. Kodai Tatta, introduced in Alice in Borderland, evolves from a confused participant in the Five of Spades game to a resilient ally.

Alice in Borderland just announced some very exciting ... The same can't be said for Tatta. Considering he was buried partway through the season, we're pretty sure Yutaro Watanabe's character ...