Piisuke

Doraemon: Nobita's Dinosaur - Plot
... and Nobita decides to name the dinosaur Piisuke ... Suneo and Gian look for him but because Piisuke is too small, Nobita doesn't show them and instead makes a deal with them ... Piisuke grows too big and has to retire to a lake ...

Doraemon: Nobita's Dinosaur 2006 - Storyline
... Suneo and Gian come looking for Nobita but because Piisuke is still too small, Nobita doesn't show them the plesiosaur and instead makes a deal with them ... Meanwhile, Nobita and Piisuke form a strong bond between them with Nobita working very hard to make sure the baby plesiosaur is well looked after, feeding it his own dinner of sashimi and ... He grows very attached to Piisuke ...