Since Pathfinder 3.5 The Summoner has been a favorite class amongst many tabletop rpg players including myself. This summoner has a trusty eidolon by their side, which is their main summons. The Summoner also is capable of summoning several additional monsters to help out in battle. I have seen a few attempts at reconstructing the old Pathfinder class in DnD 5e but the examples I saw tried to mirror the Pathfinder Summoner too closely. Hence, they were stuck with a class that doesn’t really conform to the usual, accepted rule framework of 5e.