Love those pictures, especially the second one, looks like a little angry fella, almost cartoon like.
You commented on my post asking what kind of bird it was i had taken a picture of, it is this same type of bird, although the one i took a picture of was an adult, yours is a juvenile.

Adult:

Juvenile:

From here - https://www.rspb.org.uk/birds-and-wildlife/wildlife-guides/bird-a-z/robin