Triton

* Attuma - *Enemy:* they battle as Attuma plans to attack Manhattan (Sub-Mariner #31)
* Beast - they join forces to free Franklin Richards from Maximus in Attilan (X-Factor An. #2)
* Black Bolt - fellow Inhuman royalty
* Black Panther - they join forces against Psycho-Man on Panther Island (Fantastic Four An. #5), later Inhumans travel to the 23rd century to liberate Avengers and Jarvis from Kang (MTU #11)
* Blastaar - *Enemy*: Triton defends the Baxter Building against Blastaar and Sandman (Fantastic Four #63)
* Captain America - Triton and the Inhumans get help from the Avengers (#95-96)
* Captain Marvel - Avengers tell Triton of Mar-Vell and the galactic war (A #95)
* Crystal - fellow Inhuman royalty. Nickname: "Gentle Crystal" (Fantastic Four #59)
* Cyclops - they join forces to free Franklin Richards from Maximus in Attilan (X-Factor An. #2)
* Edwin Jarvis - Inhumans travel to the 23rd century to liberate Avengers and Jarvis from Kang (MTU #11)
* Emma Frost - the Inhumans generals discuss the beauty of Emma (Startling Stories The Thing #1[retcon])
* Franklin Richards - the Inhumans free Franklin from Maximus in Attilan (X-Factor An. #2)
* Gorgon - fellow Inhuman royalty
* Hawkeye - Triton and the Inhumans get help from the Avengers (#95-96)
* Human Torch - they clash when the Inhumans are first discovered (Fantastic Four #45-46), but Triton saves them from the Negative Zone (#62), and remained in New York a while, allies after that. Nickname: "My Young Friend" (FaFo #130)
* Human Torch (Android) - Johnny Storm mentions the android when in the Great Refuge (Fantastic Four #132)
* Iceman - they join forces to free Franklin Richards from Maximus in Attilan (X-Factor An. #2)
* Iron-Man - Triton and the Inhumans get help from the Avengers (#95-96), later Inhumans travel to the 23rd century to liberate Avengers and Jarvis from Kang (MTU #11)
* Jean Grey - they join forces to free Franklin Richards from Maximus in Attilan (X-Factor An. #2)
* Kang - *Enemy*: the Inhumans travel to fight Kang in the 23rd century (MTU #11)
* Karnak - fellow Inhuman royalty
* Lady Dorma - they meet when Triton returns Neptune's Trident to Atlantis (Sub-Mariner #20). Nicknames: "Fair One" and "Good Dorma" (Sub-Mariner #20)
* Lord Vashti - they meet when Triton returns Neptune's Trident to Atlantis (Sub-Mariner #20)
* Luna Maximoff - fellow Inhuman, living on the Moon together
* Magneto - The Thing mentions Magneto (Sub-Mariner #31)
* Mandarin - *Enemy*: Mandarin battles the Inhumans over the Eye of Yin in Tibet (Amazing Adventures #3-4)
* Maximus - fellow Inhuman royalty. Nickname: "Villain" (Amazing Adventures #6)
* Medusa - fellow Inhuman royalty
* Quicksilver - Triton and the Inhumans get help from the Avengers (A #95-96), then Quicksilver has shelter in the Great Refuge for a while (Fantastic Four #130-132), but they battle for Franklin Richards on the Moon (X-Factor An. #2)
* Reed Richards - they clash when the Inhumans are first discovered (Fantastic Four #45-46), but Reed and Sue then save his life (#47), and Triton saves Reed from the Negative Zone (#62) and remained in New York a while, allies after that
* Rick Jones - Triton gets help from Rick and the Avengers (#95)
* Sandman - *Enemy*: Triton defends the Baxter Building against Blastaar and Sandman (Fantastic Four #63)
* Scarlet Witch - Triton and the Inhumans get help from the Avengers (#95-96), later Inhumans travel to the 23rd century to liberate Avengers and Jarvis from Kang (MTU #11)
* Silver Surfer - they clash as the Surfer lands in the Himalaya Inhuman hideout (SS #18)
* Spider-Man - they travel to the future together to overcome Kang and Tomorrow Man (MTU #11)
* Stingray - they ally to investigate a sunken ship and clash with Sub-Mariner (SM #31). Nickname: "Air-breather" (SM #31)
* Storm - the Inhumans generals discuss the beauty of Storm (Startling Stories The Thing #1[retcon])
* Sub-Mariner - Reed Richards mentions Sub-Mariner during battle (Fantastic Four #46), later they have a phenomenal brawl but then ally agaisnt Leviathan in London (SM #2-3), and against the army of the Stalker (#18), later clash again (#31) but mostly remain allies. Nicknames: "Haughty One" and "Rash One" (SM #2)
* Susan Richards - they clash when the Inhumans are first discovered (Fantastic Four #45-46), but Reed and Sue then save his life (#47), and Triton saves Reed Richards from the Negative Zone (#62) and remained in New York a while after that and later
* The Thing - they clash when the Inhumans are first discovered (Fantastic Four #45-46), but Triton saves them from the Negative Zone (#62) and remained in New York a while, allies after that. Nickname: "Old Friend" (Sub-Mariner #31)
* Thor - Triton and the Inhumans get help from the Avengers (#95-96), later Inhumans travel to the 23rd century to liberate Avengers and Jarvis from Kang (MTU #11)
* Vision - Triton and the Inhumans get help from the Avengers (#95-96), later Inhumans travel to the 23rd century to liberate Avengers and Jarvis from Kang (MTU #11)