Sheep and Goats by Robert Neale

This isn't really origami, but it's in a book about origami, so ....

From Ray Bolt's Magic with Origami  (British Origami Society Booklet No. 9)

 

Giraffe by Kunihiko Kasahara

One 3-inch square and one 6-inch square. From Kunihiko Kasahara's Origami 3

Infinity cube by Jo Nakashima

There are a number of online videos for making an origami infinity cube; I chose the one by Jo Nakashima because it promised no tape, no glue. "Curling" the tabs and inserting them was incredibly hard using standard packaged origami paper; next time maybe I'll use thin card stock?

From Jo Nakashima's YouTube video

Igor by Mario Adrados Netto

I couldn't get the "hunchback" effect to look like the illustration; will have to try again to see if I made an error.

From Mario Adrados Netto and J. Aníbal Voyer Iniesta, Dragons, Witches, and Other Fantasy Creatures in Origami

This Week's Folds (31 Mar 2020–6 Apr 2020)

Tyrannosaurus Rex by Nick Robinson

From Nick Robinson's Super Quick Origami Animals

Cocker spaniel by Akira Yoshizawa

From Akira Yoshizawa's Origami Dokuhon II (Origami Reader II)