About
Keith Shadis is the head instructor of the 104th Trainee Squad. He seems to be a friend or have some sort of relationship with Dr. Grisha, as he knows that Eren is the son of the doctor and praises Eren for his effort. First Appearance Manga: Ch. 15 "One By One" Anime: Ep. 1 "To You Two Thousand Years Later" (Source: Attack on Titan Wiki)
Anime appearances
Shingeki no Kyojin
Role: Supporting
Shingeki no Kyojin OVA
Role: Supporting
Shingeki no Kyojin Picture Drama
Role: Supporting
Shingeki no Kyojin Movie 1: Guren no Yumiya
Role: Supporting
Shingeki no Kyojin: Kuinaki Sentaku
Role: Supporting
Shingeki! Kyojin Chuugakkou
Role: Supporting
Shingeki no Kyojin Season 3
Role: Supporting
Shingeki no Kyojin: Lost Girls
Role: Supporting
Shingeki no Kyojin: The Final Season
Role: Supporting
Shingeki no Kyojin: The Final Season Part 2
Role: Supporting