I get two versions from Bullcity in 60MLs. I have no idea what they stand for but PET (clear), and LPDE (cloudy). The clear are rigid and wide mouth. The cloudy are easy squeeze, small mouth, and have an actual gorilla on them. I like the PETs for mixing by weight because of the wider opening. I suspect they aren't even "Chubby Gorilla" brand but whatever.
When I first started "unicorn" bottle was a popular term. Probably still is but I'm not informed on all the names to these plastic squeeze bottles.