[5][6] In 2010, Profootballtalk.com writer Gregg Rosenthal described Terrill as a "key member of the [Seattle's] defensive tackle rotation."

[7] While playing in the NFL, Terrill stood at 6 feet 3 inches (191 cm) and weighed 296 pounds (134 kg).

[9] He is an uncle to Luke Terrill, who played college football as a defensive tackle for the Western Illinois Leathernecks.

He played with the late Seahawks owner, Paul Allen's, band to open for Seal at a concert in Seattle.

[12] In 2015, Terrill worked as an assistant coach for the Lebanon High School football team.