The Kodaline Lads who believe they been ripped off by Kelloggs. They tweeted:

"Hey Kellogs we nearly choked on our cornflakes this morning when we saw your new ad #writeyourownsong #whataripoff"

So, are they right to be annoyed or just crunchy nuts?

Hear for yourself:

And here is the Kelloggs advert they nearly choked on: