Unknown bugs!

Hi! I was just watering the garden when I noticed this pile of strange bugs on a leaf. On the leaf above is another bug but I don’t know if it is a relative of theirs. Does anyone have any idea what these are? Are they friend or foe??

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As for the others, not sure but if they're good guys then that's great, and if they're not, my betting is the ladybird or bluetits will probably eat them at this time of year so I wouldn't worry.
Certainly no sprays ... don't want to kill the ladybirds
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
Could the little black ones be the same, only just hatched or something? If not, I'm glad I have a ladybird in the making to help deal with the little pesties!