Ojisan (Isekai Ojisan / Uncle from Another World) Teased by TBOI on the Wiki Server
Kale / Caulifla Duo and Kefla Teased by McTysson on the Wiki Server / Twitter
Riza Hawkeye (Fullmetal Alchemist) Teased by TBOI on Twitter (Winner of his Code Unit Poll)
Rem (Death Note) Teased on Wiki Server / Twitter
Tohru Adachi (Persona 4)(?) Possibly Teased by TBOI in the Cell Ballin Fanmade Video posted to Wiki Server made for April Fool's, https://www.youtube.com/watch?v=nIZLMQ0Swm0
Shinoa Hiiragi (Seraph of the End) Teased by TBOI in Wiki Server (R.I.P. Gex)
Jean-Pierre Polnareff Teased by Kysore in Wiki Server
Ungalo / Bohemian Rhapsody Teased by Kysore in Wiki Server
Fujimaru 5 / 6 (Fate Grand Order) Teased on multiple occassions by Micaa and Fruity on Youtube / Wiki Server / Main Server, https://www.youtube.com/watch?v=8Obp8gLZ3qA (5 Star)
Ryuko 4 Teased by Kysore in Wiki Server
Below are leaks that are not unit leaks, rather things like Blessings or messages from Navy / Fruity clearing things up.
Meliodas Blessing Teased by TBOI in Wiki Server
Buu 7 Blessing Teased by McTysson on Twitter / Wiki Server
Speed O' Sound Sonic (OPM) Blessing Teased by TBOI in Wiki Server