肥 is a Chinese hanzi, listed here under the keyword “fat”. It is built from 月 (moon) and 巴 (greatly desire). It appears as a component in 5 other characters in this index.
On KumiJi Glyph Explorer, open the parts search and type “moon” + “greatly desire”. 肥 is among the results, together with every other character containing the same shapes.
Open 肥 in the interactive kanji search
to expand every part down to its smallest pieces, add your own names and mnemonic stories,
or search for other characters by their parts.