|Portrayed by||Randall Bentley|
|Family|| Noah Bennet|
Claire Bennet (adoptive sister)
Lyle Bennet is Claire Bennet's adoptive brother and Noah Bennet and Sandra Bennet's biological son. He made his first appearance in Genesis. He discovers Claire's power when he staples her hand. However, he forgets this when his memory wiped. He is still living during the events of Four Months Later.
Throughout the show the actor who plays Lyle undergoes puberty, causing him to "miraculously" get older within short periods.
In Nothing to Hide Lyle discovers Claire's power when he finds the video cassette she made with Zach.
After Claire tells her father Lyle knows about her power Lyle mysteriously forgets he had made such a discovery.
Later Lyle rediscovers Claire's secret and must deal with the consequences of having this knowledge
Elle Bishop attacks Lyle at the Bennet home and later once Lyle has recovered he neutralizes Elle's power by throwing water on her.
Although Lyle appears to be the biological son of the Bennets, it is unclear as to whether this is true due to Noah and Sandra's problems in attempting to conceive a child naturally.