Edwards was also unflappable: "I knew we were going to win from the get-go," he said.

Source: https://rapidcityjournal.com/ap/usas-edwards-has-tons-of-confidence-at-world-cup/article_79205d90-8b51-55b9-8c0e-f15cd8cd7074.html

Ian Fleming wrote Bond as an unflappable operative with the cold, dead eyes of a killer, who used charm as one of many weapons in his arsenal to get the job done, and Craig's movies embraced that.

Source: https://screenrant.com/james-bond-26-reboot-difficult-after-daniel-craig-007/

Part of Richardson’s unflappable nature comes from his upbringing.

Source: https://triblive.com/sports/richardson-family-celebrating-life-in-new-home-as-colts-prepare-for-opener-against-jags/

That’s Ruoss: reassuring, unflappable, and keen to share his archipelago neighborhood.

Source: https://www.hcn.org/articles/ranching-why-has-alaska-given-an-uninhabited-remote-island-to-feral-cattle