So, it turns out that doing a bit of ego searching can actually bring up a few surprises.
A simple search for 'Anneka Tran' on Flickr comes up with some of my work and then a very obvious rip of one my older illustrations, by someone named Andrés Corcoll.
The thing that gets me the most is how he mentions me as part of his 'design reference' but I'm pretty sure that referencing something does not involve copying parts of an image and changing some colours.
Here is the original drawing which is meant to a fun portrait of me & other half
and here is the rip, possibly being used for a Scout movement in Uruguay:
and I even did a quick overlay, just to see how close it is