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As Izuku and Lloyd are from different TV/Manga/book series, they never met in canon, but they do appear on the came channel (Cartoon Network/Adult Swim).
Lloyd and Deku are green type heroes. They were both chosen to save the world from evil/Villains. They both can manipulate different kinds of energy: Lloyd can Manipulate Green Energy and Golden Energy (formerly for Golden Energy) and Deku has an energy aura and an dark energy whip that he uses during the Paranormal Liberation War Arc. They both have Green Eyes That Glow in Combat/Fighting scenes. They both Know some Martial Arts Skills. They Both also have Leadership Skills, and those Leadership Skills help the Ninja and Class 1-A. They do have Some difference though: Lloyd Knows how to use his powers to the Fullest, Izuku still needs training to Master his Powers. They Both Have overpowered Powers and can both use the powers of the Previous User or a person that powers came from that power.
They Both are Friends With Hotheaded Characters (Katsuki Bakugo and Kai). They Both are friends with Electric Type Characters ( Denki Kaminari and Jay). They Both Have Masters That have High Level Power Abilities (formerly for All Might). There Masters Are also Wise and Care Deeply about people. They Both Possess the Power of Superhuman Strength (its Uknown if lloyd still has Superhuman Strength Still or not). They Both have archenemies that have the powers of Destructions. They Both Harness the Powers Past Down By the Popular Characters in the Series World. There both Teenagers (Age: 16) and trying to rank up to be the best heroes in their own World.
DekuLloyd is a popular ship, fans want the Green Ninja and the Symbol of Peace to crash to have a crossover. Izuku and Lloyd make a good fighting pair since their both nice to others and both have energy powers that can be really powerful. though they dont know each othe. They could Actually make a good team.