- The Dead Man's Sweater is a reference to the "redshirt" stock character in fiction, who dies soon after being introduced. The term originates from the security staff on the sci-fi show Star Trek: The Original Series, who wear red uniforms and frequently die during episodes.
- As of 126.96.36.199, the Dead Man's Sweater is the last overall armor piece added to Terraria going by Item IDs.
- 电脑版 188.8.131.52：Introduced.
- 移动版 184.108.40.206.0：Introduced.