Why does Jacob call renesmee Nessie?

Answer 1

because when the baby is born its born half human half vampireand when they change Bella ,Bella wants the babys blood so that's why renesmee from Bellaby stephnie Myers

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Jacob has imprinted with renesme so he has to protect her and he see's Bella as a threat since she is a newborn vampire so she is thirsty for blood.

Answer 2

because it is kinda sort for renesemee. also he refers her to the loch ness monster.

and, because he said the name Bella gave her is to difficult and Nessie is just easier

Answer 3

because Renesmee was too much of a handful for Jacob

Answer 4

Actually Jacob gave her the nickname and Bella didnt like it but I guess she called her Nessie but other than that she did not change Renesmee's name