Thaddeus Marik
Thaddeus Marik can refer to:
- Thaddeus Marik (29th c.), Captain-General of the Free Worlds League from 2804 to 2821, ruling the League during the final years of the First Succession War.
- Thaddeus Marik (30th c.), Captain-General of the Free Worlds League from 2948 to 2963, instigator of the infamous Operation Killing Stroke.
- Thaddeus Marik (32nd c.), the Republic of the Sphere Knight of Augustine, later Warden-General of the reborn Free Worlds League in 3139.