Jealousy

Heroes can be very jealous sometimes when it comes with his love interest or someone is trying to take over their place like stealing the show, etc.

Anywho, love can be hard if you don't get along at first until you realize that you love or once you become famous or you were about to, then there's a new, better hero who's better than the old one which it hurt them and jealously.

Based on Heroic Flirts, Hero's Rage or Being Bullied

Reason why Heroes Are Jealous

 * flirting with their love interest
 * got replaced with another hero
 * another hero gets a lot of attention
 * knowing that he/she is trying to make them jealous by saying rude things, etc.
 * realize that their friends started to like the new hero than the old hero

Harry Potter Edit

 * In Harry Potter and the Goblet of Fire, Ron Weasley becomes jealous after Harry Potter is chosen as a Triwizard Champion. Because Harry always gets the attention, this causes a rift between Harry & Ron's friendship. He later becomes jealous, after Hermione Granger becomes Victor Krum's date to the Yule Ball. In Harry Potter and the Deathly Hallows, Ron becomes jealous, when Harry and Hermione get closer during the trio's Horcrux hunt.
 * In Harry Potter and the Half-Blood Prince, Hermione Granger becomes jealous after Ron Weasley dates Lavender Brown, because Hermione also has romantic feelings towards Ron.

Feature/Television Animation Edit

 * Due to his hatred of humans, Zoc becomes jealous of Lucas, who receives praise from the ants after he save them from a wasp attack.
 * Max becomes jealous of Duke, after he receives a lot of attention from Katie.

Disney/Pixar

 * Woody becomes jealous of Buzz Lightyear, who becomes popular among Andy's other toys, while Woody's popularity falls.
 * Kocoum becomes jealous, when he learns that Pocahontas has fallen in love with John Smith.

DreamWorks

 * Astrid Hofferson becomes jealous of Hiccup, who gains immense popularity among the Vikings of Berk, due to his rising success in Dragon Training.