However others said the unusual name was "cute", adding it was a "fitting" choice for Trisha who is known for being eccentric and over the top.
"Idk bout you all but I think that the name 'Malibu' is so cute for a baby. Trisha Paytas did something right for once," one wrote.
"Controversial opinion but I love Trisha Paytas' baby's name… Malibu Barbie is so cute," another agreed.
"Yall sh*tting on Trisha Paytas' baby's name but after lots of consideration I have decided that I kinda love it," someone else mused.
But the moniker is so "out there" it has left some convinced it is a "fake" name given in order to protect the bub's privacy.
what if trisha paytas is being internet smart and tricking us into believing that malibu barbie isn't actually her baby's real name but a pseudonym to protect her privacy?
(and even if it isn't the name is cute regardless)
It appears Trisha, who has described her daughter as a "miracle", isn't letting the commentary affect her and has given fans a full tour of little Malibu Barbie's fully decked out nursery.
Pink nursery cops backlash
The YouTube star shared a video showing off the luxury nursery husband Moses had created for their first child.
The pink room has handpainted murals on the wall of the iconic kids toy as well as beach scenes and their daughter's name Malibu Barbie emblazoned across the wall where the pink cot is positioned.
Everything from the carpet to the furniture is pink – even Trisha's outfit as she gives the tour to fans.
However, the striking room has attracted criticism, with some claiming the new mum is going "overboard" with the Barbie branding.