What is this?

This evening I’ve found another creature – it looks like a baby – and newbie-gardener that I am, I have no idea whether to leave it or remove it. Please help! Is it a grasshopper? It doesn’t look like a praying mantis to me, too fat. And I’ve noticed over the last few days that something is “eating” tiny holes in these flowers (sweet williams). I’d appreciate any help in identifying this little guy (total size is +/- 1.2 cm).

Happy gardening
xxx

PS: Yes I know, I need a Macro lens … working on it!