I would say:
Akatsuki
Sasuke
[sometimes] the Nine-Tailed Fox
The hitchhiker is the antagonist in "The Hitchhiker."
mr.summer is the antagonist.
The protagonist is Flik the antagonist is Hopper
The protagonist is Thor the antagonist is Malekith
Naruto vs. Haku, Naruto vs. Orochimaru, Naruto vs. Kimimaru, Naruto vs. Sasuke, Naruto vs. Deidara/Sasori, Naruto vs. Orochimaru, Naruto vs. Pain.
Probably not, as the Akatsuki is the antagonist of the series, and Naruto is the protagonist.
Maybe cos like Madara said to Naruto that Sasuke and Naruto are destined to fight each other just like him and the First Hokage.
Naruto is an anime series created by Masashi Kishimoto. The character Obito is an antagonist and is part of squad 7 (Team Kakashi). Obito used the name Madara throughout most of the Naruto series.
Unfortunately, it seems (as of currently) he will always be the antagonist of Naruto, but that doesn't necessarily mean that he's a bad person... [forever.]
Naruto and Killer Bee face off against Tobi in "Naruto: Shippuden" Episode 243, titled "The Next Generation." In this episode, they confront Tobi, who is revealed to be a major antagonist, and engage in an intense battle showcasing their combined abilities. The episode highlights their teamwork and the stakes of the ongoing conflict in the series.
antagonist
In Naruto Shippuden, Sakura Haruno, Ino Yamanaka, and Hinata Hyuga are tied up and gagged in Episode 363, titled "The Day Naruto Was Born." In this episode, they are captured by the antagonist and are briefly shown in a vulnerable state, highlighting their struggles and the challenges faced by the characters in the series.
If antagonist did not want to harm protagonist, he wouldn't be antagonist. His opposition to protagonist is what makes him antagonist.
Antagonist or villain.
who is the antagonist in sounder
Antagonist
Cory is the antagonist.