Gollum
Gollum is a fictional character from J. R. R. Tolkien's legendarium. He was introduced in the 1937 fantasy novel "The Hobbit", and became an important character in its sequel, "The Lord of the Rings". Gollum was a Stoor Hobbit of the River-folk, who lived near the Gladden Fields. Originally known as Sméagol, he was corrupted by the One Ring and later named Gollum after his habit of making "a horrible swallowing noise in his throat".
Krillin
In "Dragon Ball GT", Krillin is killed by Android #17 after succeeding in snapping Android #18 from his brainwashing and trying to persuade him against his developing villainy. His death prompts #18 to seek vengeance and assist Goku in defeating Super 17. Krillin is revived by Shenlong after the defeat of Omega Shenron and has a match with Goku, who decided to leave Earth. He is shown in "GT" sporting a mustache, wearing grey pants, shirt and tie with a cardigan in his few appearances.