I have made surnames for the Paleofriends characters, my prehistoric animal OCs.

Starla Stegos (Stegosaurus)

Tracey Ceratops (Triceratops)

Paul Hammerton (Parasaurolophus) (reference to the fact that parasaurolophuses have hammer crests)

Andrew and Danny Oakley (Apatosaurus and dryosaurus)

Travis Ophiuchus (Tetrapodophis)

Priscilla Proto (Protoceratops)

Neo, Nancy, Neil and Tammy Nycto (Neovenator and nyctosaurus)

Malcolm and Tatiana Primigenius (Mammoth and titanis)

Wally Coelodonta (Woolly rhinoceros)

Sullivan Smilus (Smilodon)

Theodore and Megan Rex (Tyrannosaurus and megalosaurus)

Barron Barbouro (Barbourofelis) (don't confuse him with Baron from Spencer, the OC I made who's a butterfly orchid Baron from Spencer has only one "r" and this one has two)

August Cyon (Aenocyon)

Maxwell Slothsman (Megatherium)

Calvin Chops (Moschops) (his surname is a reference to the moschops obviously, which is his species)

Valerian Velox (Velociraptor) (reference to the Latin word fast)

Mason Moros (Moros) (his name like in the case of Calvin, is a reference to his species, Moros intrepidus, a theropod dinosaur species)

Smoky Adamski (Smok)

Udo McRaptor (Utahraptor)

Amanda Morgan (Amargasaurus)

Malik McMiacis (Miacis)

Ian Ichthyos (Ichthyosaurus)

Brooks Brachio (Brachiosaurus)

Gianna Garuda (Gallimimus) (her surname is a reference to Garuda, Vishnu's mount who's an eagle-like divine bird)

Peggy Pachycephalus (Pachycephalosaurus)

Scuttles Scuto (Scutosaurus)

Pete McPlaceria (Placerias)

Samuel Spinus (Spinosaurus)

Octav and Shpetim Zalmoxis (Zalmoxes) (their surnames are a reference to the Dacian god Zalmoxis, which is also who their species, the zalmoxes, was named after)

Bartolomeu Bengescu (Balaur)

Mihai Macarencu (Kallokibotion)

Horatiu Hanescu (Hatzegopteryx)

Geoffrey Gargantis (Gargantuavis)

Gerardo Carolini (Giganotosaurus) (his surname is a reference to Ruben Carolini, the paleontologist who discovered the giganotosaurus)

Terrence Therizin (Therizinosaurus)

Barrett Onyx (Baryonyx)

Esteban Eguia (Ekrixinatosaurus)

Stephen Mochlus (Scleromochlus)

Logan McLotus (Lotosaurus)

Damon DeDimetro (Dimetrodon)

Maria Alvarez (Marasuchus)

Sheila Nogoyev (Sharovipteryx)

Yaoyi Zhou (Yutyrannus)

Sharky Carcharia (Carcharodontosaurus

Harrison Hildenburg (Hypsilophodon)

Sawyer Pelta (Sauropelta)

Diesel Longneck (Diplodocus)

Charlene Wu (Chimaerasuchus)

Lily Lilienstern (Liliensternus) (her surname is named after Hugo Ruhle von Lilienstern, who was credited in the discovering of the liliensternus' fossils)

Eian Einio (Einiosaurus)

Nate Rhynchus (Rhinchenia)

Presley Plateo (Plateosaurus)

Porter Suchus (Postosuchus)

Eric Erythro (Erythrosuchus)

Mei Wang (Mimotona)

Enzo Enantio (Enantiornithes)

Alfonso Allos (Allosaurus)

Declan Dilopho (Dilophosaurus)

Colin Ceratus (Ceratosaurus)

Alfred Opteryx (Archaeopteryx) (his surname is a reference to the archaeopteryx)

Adriana Ackland (Acrocanthosaurus)

Chris Cory (Corythosaurus)

Austin Ambrose (Austroraptor)

Sammy Styraco (Styracosaurus)

Hannah Hadros (Hadrosaurus)

Henrik Borsay (Hungarosaurus)

Sarge Struthio (Struthiosaurus) (not only a reference to the struthiosaurus, his species, also a reference to the scientific name of the ostrich)

Tony Yang (Tuojiangosaurus)

Noah Norrington (Nodosaurus)

Basil Mlik (Basilosaurus) (his surname is a reference to the word mlik, an Arabic word that means king)

Albert Abbas (Ambulocetus)

Iham Kumar (Indohyus)

Adriana Esther (Astrornis)

Andy Boucher (Anatosuchus)

Eiman Elbaz (Eupodophis)

Arsen Barsamian (Caucasian moose)

Elchin Dombay (Caucasian wisent) (reference to the word dombay, another name for the Caucasian wisent)

Pitt Scorpius (Pulmonoscorpius)

Bassim Hawsawi (Bennu heron)

Manus Najibullah (Megaceroides)

Noor Najim (Phosphatherium)

Latif Lamouchi (Lavocatavis)

Aziz Hegazi (Algeripithecus)

Samir Badawi (Saadanius)

Ayoub Dubb (Atlas bear) (his surname is based on the word dubb, which means bear in Arabic)

Aisha Asghar (Archaeopotamus)

Ahmed Abdelazim (Arabian ostrich)

Isaac Spheniscus (Inguza)

Delia Desmodia (Desmodus) (reference to her species, desmodus, an extinct bat species that lived in Central and South America during the late Pleistocene period)

Taylor Thyler (Thylacine)

Quigley Quaggaman (Quagga)

Blaine Buckley (Bluebuck)

Percy Indrikov (Paraceratherium) (his surname is a reference to indricotherium, the other name of the paraceratherium)

Abigail Andrews (Andrewsarchus)

Noe Vazquez (Nuralagus)

Ahad Kateb (Afrotarsius)

Mateo Tragus (Myotragus)

Orlando Rubio (Ornimegalonyx)

Easton Ekor (Ekorus)

Henry Creo (Hyaenodon) (his surname is reference to the word creodont, which is the family of mammals the hyaenodon is in)

Brad Brahma (Bramatherium) (reference to Brahma, one of the Indian gods)

Silas Shiva (Sivatherium) (reference to Shiva, one of the Indian gods)

Evan Entelus (Entelodon)

Chaz Chalico (Chalicotherium)

Angelo Draco (Aussiedraco)

Habib Abdallah (Platykotta)

Ajda Kaplan (Anatoliadelphis)

Vito Martinez (Venaticosuchus)

Ibrahim Ghasemi (Iranosauripus)

Ellie Fantome (Effigia) (her surname is based on the word fantome, which means ghost in French)

Jamila Alfiniq (Enantiophoenix) (reference to alfiniq, an Arabic word that means phoenix)

Carlos Gonzalez (Cosesaurus)

Frederick McWarrah (reference to the word warrah, another name for the Falkland Islands wolf)

Behnam Hnn (Persian fallow deer) (reference to the word hnn, which means deer in Ancient Egyptian)

Viktor Kalchev (Kalimantsia)

Lubomir Ivanov (Regulus bulgaricus)

Plamen Georgiev (Palaeoreas)

Dimitur Aleksiev (Dolichopithecus)

Ivo Georgiev (Falco bulgaricus)

Darko Hristova (Gyps bochenskii)

Kliment Enchev (Buteo spassovi)

Leonid Bozhkov (Loxia patevi)

Here are the surnames for now.

I'm gonna update this post with more surnames for the other characters.