The relationships of C1-10P.
- Main article: Kanan Jarrus
As seen in the episode "Idiot's Array" Kanan does see Chopper as a part of the crew. However, he still agreed to let Zeb bid Chopper in a game of Sabacc. When Zeb lost the game, Chopper was then given to Lando Calrissian. Later on in the episode, Kanan attempts to give Chopper orders, but Chopper, still angry at Zeb and him, reminded them that he no longer is part of the crew and doesn't do what he's asked. Towards the end of the season in the episode "Rebels Resolve" Chopper is found by Ezra in Kanan's quarters, obviously missing his friend. After a small talk with Ezra, he joins Sabine and him in attempting to find Kanan, who at the time was in custody of The Empire. The droid later even infiltrates an Imperial Communication Ship, claiming to be a Courier Droid. This tactic proved useful as Chop found where Kanan was being held, before escaping the ship and going back into the Ghost to tell them the information.
- Main article: Hera Syndulla
Chopper and Hera worked closely together on the Ghost. The two seemed to share neutral feelings for one another. Additionally, Hera was also capable of understanding Chopper, something none of the other rebels could manage.
- Main article: Ezra Bridger
Chopper and Ezra first met when Ezra was sneaking around in the Ghost near Kanan's room. Though Chopper barely knew him, he seemed to agree with Hera to go rescue him when he was captured by the Empire. Chopper loves to play pranks on both Ezra and Zeb forming a rivalry between them. Though over time it's shown that the two have formed a friendship as seen when they were trying to rescue Kanan and Chopper went along with his plan and Ezra having faith in him that he will succeed in his part of the mission. Since that mission, Ezra and Chopper's friendship has grown more, as Chopper was worried about Ezra when he started to wonder who he should really be. When Ezra found out his parents died during an escape attempt in an Imperial prison, Chopper comforted Ezra along with Kanan.
- Main article: Garazeb Orrelios
Chopper and Zeb had a mutual disliking of each other. Zeb disliked Chopper for his lazy nature, and lack of respect. He even bet Chopper in a game of Sabacc, which he regrets later. Zeb later tells Chopper he did a good job going undercover to find where Kanan was being held by the Imperials.
- Main article: R2-D2
Chopper and R2 became nemeses almost immediately, due to their differences in attitude. But even with their different personalities R2 followed Chopper on board the Ghost because he knew he was an ally.
- Main article: Ahsoka Tano
Chopper first contacted Ahsoka (while she was Fulcrum) asking for assistance when the mission to rescue Kanan began going south. After they rescued the others, they met Ahsoka on board the Ghost, where she gives Chopper a pat on the dome out of gratitude for leading her there. Chopper and Ahsoka already seem to be on good terms.
- Main article: AP-5
As an imperial droid, AP-5's first impression of Chopper was that he was a rebel droid. But, after finding out that he was once a Republic droid that served in the same battle as he did; The battle of Ryloth; AP-5 began to respect Chopper. He grew even closer to him when Chopper removed his restraining bolt. After helping Chopper take an Imperial Cargo Ship, Chopper assured that the Rebels will treat him better than the Empire because they are friends. When AP-5 sacrificed himself, Chopper was deeply hurt and allowed Sabine to use components from his replacement leg to repair him. After that AP-5 became a Phoenix Squadron droid and served alongside Chopper.