Natalie "Lili" Tennyson is the wife of Frank Tennyson and the mother of Gwen. It is evident that she does not like Verdona, by their facial expressions and reactions towards each other.
Natalie doesn't seem to be particularly too fond of Frank's side of the family, as she complains about them by saying their not as "formal" as her side of the family, possibly due to the fact that some of them are not fully human. She also said that Ben has bad table manners while castigated her father-in-law's fashion sense. She was also seen to have disagreements with Verdona, making stares at each other at every given opportunity. This animosity between the two is yet to be explained.
Alien Force Edit
Lili in Alien Force
, Verdona wanted to take Gwen to What Are Little Girls Made Of Anodyne with her but needed her parents confirmation. Natalie said she at least wanted Gwen to take on her side of the family while exchanging dirty looks with Verdona, but would let her go to Anodyne. While Verdona said that she would be coming back now and then to visit the family, Natalie gives a sarcastic response saying, "Oh joy."
Ultimate Alien Edit
Natalie and Ben
Natalie returns in
, Gwen talked to her about Girl Trouble Sunny and later Gwen told her about Sunny being an Anodite and she tried to stop Sunny from seeing Antonio.
, Natalie asked Gwen to write the rest of the invitations for a family reunion, and invited Ben and Kevin over for dinner.
It's Not Easy Being Gwen
Alien Force Edit
Ultimate Alien Edit
According to Dwayne, Natalie disapproves Gwen and Kevin dating, saying she thinks Gwen can do better.
It was revealed in that she disapproves Ben yelling his aliens' names in her house.
The Eggman Cometh
Ben 10 Characters
Ben Tennyson | Gwen Tennyson | Kevin Levin | Max Tennyson | Rook Blonko
Julie Yamamoto | Plumbers ( Manny Armstrong, Helen Wheels, Alan Albright, Cooper Daniels, Tack, Magister Pyke, Magister Korwak, Magister Hulka, Joel Tennyson, Gordon Tennyson, Betty Jean Tennyson, Wes Green, Blukic, Driba, Magister Patelliday, Sheriff Wat-Senn, Molly Gunther, Plumber Jerry, Magister Arnux) | Jimmy Jones | The Galvan ( Azmuth, Retaliator, Galvan Teacher) | Professor Paradox | Ship | Eunice | Zed
Petrosapiens ( Tetrax Shard, Sugilite) | Gluto | Galactic Enforcers ( Ultimos, Synaptak, Tini) | The Highbreed ( Reinrassic III) | Myaxx | Xylene | Colonel Rozum | SACT ( Lieutenant Steel) | Ignatius | Technorg | Hector | Elsgood | Sheriff Mason | Kai Green | Ishiyama | Tennyson Family ( Carl Tennyson, Sandra Tennyson, Frank Tennyson, Lili Tennyson, Verdona Tennyson, Camille Mann, Kenneth Tennyson) | Levin Family ( Mrs. Levin, Harvey Hackett) | Rook Family ( Rook Da, Rook Bralla, Rook Shar, Rook Shim, Rook Shi, Rook's Brother) | Ester | Gourmands ( Private Brown Bag, Queen Voratia Rumbletum, Sergeant Cast Iron, Sergeant Cookmeister) | Lewodans ( Tiffin, Sicily) | Rad Dudesman
Albedo | Elena Validus | Phil | Forever Knights ( Squire, Connor, Sir Cyrus, Patrick, Sir Driscoll) | Vilgax | Michael Morningstar | Sunny | Antonio | Cash Murray | J.T. | Oliver Thompson | Zaw-Veenull | Probity
Deceased Supporting Characters and Allies
Devin Levin | Magister Labrid | Magister Prior Gilhil | Pierce | Sir George | Winston | Victor Validus | Kwarrel | The Sentinel |
Prisoners of Aggregor
Bivalvan | Galapagus | P'andor | Andreas | Ra'ad
Hope | Hope's Stone Creatures | Argit | Baz-El | Simian | Vreedle Brothers ( Octagon Vreedle, Rhomboid Vreedle) | Blarney T. Hokestar | Raff | Serena | Bellicus | Mr. Baumann | Pakmar | Mazuma
Generator Rex Heroes
Rex Salazar | Bobo Haha | Agent Six | Rebecca Holiday | White Knight | Caesar Salazar
Future & Alternate Heroes
Ben 10,000 (Ultimate Alien) | Ben's Team (Alternate Timeline) ( Ben 10,000 (Alternate Timeline), Gwendolyn Tennyson (Alternate Timeline), Ken 10, Devlin Levin, Max Tennyson (Alternate Timeline), Kenny's Stone Pet) | Ben's Team (Dimension 23) ( Ben 23 | Tetrax Shard (Dimension 23) | Sevenseven (Dimension 23) | Azmuth (Dimension 23)) | Ben Tennyson (RAT Timeline) | Gwen Tennyson (RAT Timeline) | Max Tennyson (RAT Timeline) | Plumbers (RAT Timeline) ( Principal White, Mrs. Dalton, Mr. Hawkins, Fire Chief Whittington, Constantine Jacobs, Mr. Enguells, Mr. Jenyx, Mrs. Carlay) | Ben Tennyson (Cosmic Destruction Timeline) | Ben Tennyson (Gwen 10 Timeline) | Gwen 10 | Max 10 | Ben Tennyson (PoE Timeline) | Gwen Tennyson (PoE Timeline) | Max Tennyson (PoE Timeline)