Yep, He's in the Old Testament all over the place.
And His entire Gospel is in Genesis chapter 5, if you know how to look.
Apparently I don't know how to look. Can you expand a little on your statement?
In Sunday School the teacher makes the point of going over the entire history of the Bible (10-minute version) and as it relates to Jesus and the NT scripture lesson.
Grace, obey, flourish, fail, punished, redeemed, Grace.....(repeat as needed).
At Christmas time I pass out a list of OT prophesies that talk about Jesus. It is amazing how many Christians will tell me “Wow - I didn’t know that!”
And the first mention of the Trinity in Genesis 1:1 where God is plural
We are studying Exodus right now and Jesus is there as well.