Otto's letter at the end of Red Soul. He finds his purpose after all.
Blacksad honoring his promise to Cotten the Magpie by going to Las Vegas at the end of "Arctic Nation" and pouring out his ashes outside of Las Vegas. Such nobility for someone he had only met and known for a short time, even if Cotten helped the villain of the book due to his gambling addiction.
Oddly enough, Weekly giving John advice (and a camera) to escape his Morale Event Horizon in his short appearance near the beginning of Amarillo.